civil engineering Mcqs
2201. While propagating through homogeneous, isotropic media_________________?
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A. Directions of both the fields are orthogonal

B. Both the fields are at right angles to the direction of propagation

C. Both A. and B.

D. Neither A. nor B.

2202. A college freshman borrowed P2,000 from a bank for his tuition fee and promised to pay the amount for one year. He received only the amount of P1,920 after the bank collected the advance interest of P80.00. What was the rate of discount ?
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A. 4.15%

B. 4.00 %

C. 4.25%

D. 3.67%

2203. Critical angle of electromagnetic radiation takes place if__________________?
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A. Angle of incidence is equal to 90

B. Angle of refraction is equal to 90

C. Angle of incidence is equal to angle of refraction

D. Angle of incidence is greater than the angle of refraction

2204. As per IS:800, in the plastic design, which of the following pairs are correctly matched? Working Loads Load factor________________?
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A. Dead load 1.7

B. ) Dead load + imposed load + load 1.7</strong>

C. i) Dead load + load due to wind or 1.3 seismic forces

D. ) Dead Load + imposed load 1.7

2205. Duopsony is a market situation where there is/are______________?
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A. One seller and few buyers

B. Many sellers and few buyers

C. Few sellers and few buyers

D. Few sellers and many buyers

2206. Repetitive observations of the same area at equal interval of time are useful to monitor the dynamic phenomena________________?
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A. Cloud evolution

B. Snow cover

C. Vegetative cover

D. All of these
2207. What is the effective rate corresponding to 18% compounded daily? Take 1 year is equal to 360 days______________?
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A. 19.72 %

B. 19.44%

C. 19.61%

D. 19.31%

2208. Pick up the correct statement from the following?
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A. The minimum frequency of light for which no electrons are emitted, is called threshold frequency

B. Polarising angle of glass is 57.5

C. At the polarising angle, the reflected and refracted rays are orthogonal

D. All the above
2209. A uniform series of payment occurring at equal interval of time is called ____________________?
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A. Annuity

B. Amortization

C. Depreciation

D. Bond

2210. The live load for a sloping roof with slope 15, where access is not provided to roof, is taken as_______________?
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A. 0.65 kN/m2

B. 0.75 kN/m2

C. 1.35 kN/m2

D. 1.50 kN/m2

2211. Load factor is____________________?
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A. always less than factor of safety

B. sometimes greater than factor of safety

C. always greater than factor of safety

D. always equal to factor of safety

2212. A telephone switchboard 100 pair cable can be made up with either enameled wire or tinned wire. There will be 400 soldered connections. The cost of soldering a connection on the enameled wire will be P 1.65 on the tinned wire, it will be P 1.15. A 100- pair cable made up with enameled wire cost P 0.55 per linear foot and those made up of tinned wire cost P 0.75 per linear foot. Determine the length of cable run in feet so that the cost of each installation would be the same ?
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A. 1,000 feet

B. 1,040 feet

C. 1,120 feet

D. 1,100 feet

2213. The basic requirement of any sensor system is___________________?
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A. Radiometric resolution

B. All of these

C. Spatial resolution

D. Spectral resolution

2214. If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as_________________?
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A. 0

B. 1

C. 0.5

D. between 0.5 and 1.0
2215. Orbital radius of GPS satellites is approximately ___________________?
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A. 36,000 km

B. 15,200 km

C. 26,600 km

D. 18,400 km

2216. Geodimeter is based on_________________?
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A. The visible light as carrier with frequency of the order of 5 1014 Hz

B. Propagation of modulated light waves

C. High frequency radio waves

D. Propagation of infrared radiation

2217. DGPS is based on the concept that bias errors in the position of locations in a given local area, are same if their distances are within___________________?
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A. 75 km

B. 50 km

C. 100 km

D. 25 km

2218. Which one of the following frequency regions is a part of suns radiation ?
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A. Infrared frequency region

B. Radio frequency region

C. All of these

D. Ultraviolet frequency region

2219. Which one of the following errors is produced by platform characteristics of the sensor ?
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A. Altitude

B. Altitude variation

C. All of these

D. Orbit drift

2220. Engr. Trinidad loans from a loan firm an amount of P100,000 with a rate of simple interest of 20% but the interest was deducted from the loan at the time the money was borrowed. If at the end of one year, she has to pay the full amount of P100,000, what is the actual rate of interest ?
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A. 25.80%

B. 23.50%

C. 24.70%

D. 25.0 %
2221. According to the Snells law if an electromagnetic wave is incident in a medium (refractive index n1) on another medium (refractive index m2)________________?
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A. The angle of incidence is equal to the angle of refraction

B. The angle of refraction r) is given by sin i

C. Both A. and B.

D. Neither A. nor B.

2222. Other conditions being same, the load factor in indeterminate structures is_______________?
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A. more than the load factor in determinate structures

B. unpredictable

C. less than the load factor in determinate structures

D. equal to load factor in determinate structures

2223. The sway bracing is designed to transfer____________________?
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A. 2Vi % of the top panel wind load to bottom bracing

B. 25% of the top panel wind load to bottom bracing

C. 10% of the top panel wind load to bottom bracing

D. 50% of the top panel wind load to bottom bracing
2224. What rate of interest compounded annually is the same as the rate of interest of 8% compounded quarterly ?
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A. 8.24 %

B. 8.16%

C. 8.07%

D. 8.12%

2225. To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be_______________?
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A. 4

B. 1

C. 2

D. 3

2226. Economical depth of a plate girder corresponds to_________________?
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A. minimum weight

B. minimum thickness of web

C. maximum weight

D. minimum depth

2227. The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be___________________?
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A. 10 mm

B. 4.5 mm

C. 8 mm

D. 6 mm

2228. A firm borrows P2,000 for 6 years at 8%. At the end of 6 years, it renews the loan for the amount due plus P2,000 more for 2 years at 8%. What is the lump sum due ?
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A. P 3,260.34

B. P 3,270.34

C. P 3,280.34

D. P 3,250.34

2229. The value of energy quantum for radiation of any frequency is proportional to________________?
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A. The square root of the frequency

B. The square of the frequency

C. The reciprocal of the energy

D. The frequency
2230. What is the term for an annuity with a fixed time span ?
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A. Annuity due

B. Perpetuity

C. Ordinary annuity

D. Annuity certain
2231. The capacity of the smallest pressed steel tank is__________________?
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A. 2450 litre

B. 1000 litre

C. 1950 litre

D. 1650 litre

2232. Pick up the correct statement from the following ?
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A. The variation of the refractive index with wave length, is called dispersion,

B. All of these

C. The splitting of colours of white light by passing through a prism is caused due to dispersion

D. The refractive index of a medium varies according to the wavelength of the radiation,

2233. The allowable tensile stress in structural mild steel plates for steel tank is assumed as________________?
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A. 105.5 MPa on net area

B. 105.5 MPa on gross area

C. 95.0 MPa on net area

D. 150.0 MPa on gross area

2234. The difference between the present and future worth of money at some time in the future is called __________________?
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A. Deduction

B. Discount

C. Inflation

D. Depletion

2235. Pick up the important characteristic of a target which facilitates its identification from the following ?
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A. All of these

B. Spatial variation

C. Temporal variation

D. Spectral variation

2236. What is the type of annuity where the payments are made at the beginning of the each period starting from the first period ?
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A. Annuity due

B. Perpetuity

C. Deferred annuity

D. Ordinary annuity

2237. The elastic strain for steel is about_________________?
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A. 1/12 of strain at the initiation of strain hardening and 1/200 of maximum strain

B. 1/24 of strain at the initiation of strain hardening and about 1/200 of maximum strain

C. 1/2 of strain at the initiation of strain hardening and about 1/12 of maxi-mum strain

D. 1/12 of strain at the initiation of strain hardening and about 1/120 of maxi-mum strain

2238. The arrangement of terrain features which provides attributes: the shape, size and texture of objects, is called_________________?
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A. Spectral variation

B. Spatial variation

C. Temporal variation

D. None of these

2239. What refers to the cost of borrowing money or the amount earned by a unit principal per unit time ?
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A. Rate of interest

B. Yield rate

C. Economic return

D. Rate of return

2240. The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called____________________?
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A. None of these

B. Passive remote sensing

C. Neutral remote sensing

D. Active remote sensing
2241. Consider the following statements regarding the satellite imaging_________________?
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A. The satellite images a skewed area</strong>

B. ch one of the following statements is/are correct?

C. During successive across-track imaging, the earth rotates beneath the sensor

D. The satellite orbit is fixed in the inertial space
2242. The internal pressure coefficient on walls for buildings with large permeability is taken as_______________?
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A. 0

B. 0.2

C. 0.5

D. 0.7
2243. A factory operator bought a diesel generator set for P 10,000.00 and agreed to pay the dealer uniform sum at the end of each year for 5 years at 8% interest compounded annually, that the final payment will cancel the debt for principal and interest. What is the annual payment ?
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A. P 2,540.56

B. P 2,544.45

C. P 2,500.57

D. P 2,504.57
2244. A sum of P1,000 is invested now and left for eight years, at which time the principal is withdrawn. The interest has accrued is left for another eight years. If the effective annual interest rate is 5%, what will be the withdrawal amount at the end of the 16th year ?
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A. P693.12

B. P700.12

C. P705.42

D. P702.15

2245. The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of___________________?
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A. 125 t3/h2

B. 125 t2/h

C. 175 t2/h

D. 75 t2/h

2246. What is the ordinary interest on P1,500.50 for 182 days at 5.2% ?
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A. P39.45

B. P39.82

C. P39.99

D. P39.01

2247. The moment of inertia of the pair of vertical stiffeners about the center line of the web should not be less than__________________?
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A. 1.5dY/C3

B. 1.5d/C2

C. 1.5d/C

D. 1.5dV/C

2248. ABC Corporation makes it a policy that for any new equipment purchased, the annual depreciation cost should not exceed 20% of the first cost at any time with no salvage value. Determine the length of service life necessary if the depreciation used is the SYD method ?
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A. 9 years

B. 10 years

C. 8 years

D. 7 eyars

2249. Minimum pitch provided in riveted steel tanks is________________?
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A. 2.5 d

B. 2.0 d

C. 1.5 d

D. 3.0 d
2250. The refractive index of the ocean water_______________?
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A. Decreases with temperature

B. Increases with temperature

C. Decreases with salinity

D. Increases with salinity