chemical engineering MCQs – Page 39

Practise multiple-choice questions from chemical engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

chemical engineering Mcqs

761. Gross national product (GNP) means the total value of _______________ in a country ?
0

A. Gold reserve

B. Earning of the citizens

C. Taxes paid

D. Goods produced

762. Triple point of water is__________________?
0

A. -273C

B. 0K

C. 0.01 C

D. 492R

763. The laughing gas is__________________?
0

A. Nitrogen trioxide

B. Nitric oxide

C. Nitrous oxide

D. Nitrogen pentoxide

764. The depreciation during the year n, in diminishing balance method of depreciation calculation, is calculated by multiplying a fixed percentage N to the ?
0

A. Initial cost

B. Difference between initial cost and salvage value

C. Depreciation during the (n 1)th year

D. Book value at the end of (n 1)th year

765. ________________ of depreciation calculation does not take into account the interest on investments?
0

A. All A, B. and C.

B. Sinking fund method

C. Sum of the years-digits method

D. Present worth method

766. An investment of Rs. 1000 is carrying an interest of 10% compounded quarterly. The value of the investment at the end of five years will be ________________?
0

A. 1000 (1 + 0.1/4)5

B. 1000 (1 + 0.1)20

C. 1000 (1 + 0.1/2)5

D. 1000 (1 + 0.1/4)20

767. Calorific value of ____________________ are almost same?
0

A. Coal gas & natural gas

B. Petrol & diesel

C. Lignite & coal gas

D. Lignite & anthracite coal

768. Which of the following can be manufactured using powder metallurgy techniques ?
0

A. Bearings

B. Carbide tool tips

C. Brake linings

D. All A, B and C

769. The payback method for the measurement of return on investment___________________?
0

A. Does not measure the discounted rate of return

B. Takes into account the cash inflows after the recovery of investments

C. Underemphasises liquidity

D. Gives a correct picture of profitability

770. Pick out the wrong conversion of absolute & kinematic viscosities ?
0

A. 1 N.sec/m2 = 10 paise

B. 1 stoke = 1 cm2/sec

C. 1 m2/sec = 104 stokes

D. 1 stoke = 1 m2/sec

771. Liquor poisoning generally occurs due to the presence of _______________ in it?
0

A. Ethyl alcohol

B. Carbonic acid

C. Methyl alcohol

D. Impurities

772. Phenol formaldehyde____________________?
0

A. Employs addition polymerisation

B. Employs condensation polymerisation

C. Is an abrasive material

D. Is a monomer

773. Which of the following is an explosive ?
0

A. All A , B., and C.

B. Nitro-glycerine

C. Trinitrotoluene (TNT)

D. Cellulose nitrate

774. Notched bar test is used for testing the _________________ of a material?
0

A. Endurance limit

B. Impact strength

C. Corrosion resistance

D. Machinability

775. According to six-tenths-factor rule, if the cost of a given unit at one capacity is known, then the cost of similar unit with times the capacity of the first unit is approximately equal to _____________ times the cost of the initial unit?
0

A. n0.4

B. n0.6

C. ?n

D. n

776. Baking soda is chemically represented by__________________?
0

A. Na2CO3.10H2O

B. Na2CO3

C. NaHCO3

D. Na2CO3.H2O

777. In the acid Bessemer process, the hot metal should have the following composition ?
0

A. S < 0.05% and P < 0.05%

B. S 1.5%

C. S > 1.5% and P < 0.05%

D. S < 0.05% and P < 1.5%

778. Maximum change in the hardness of martensite occurs in the carbon content range of _____________ percent in steel?
0

A. 0.01 to 0.10

B. 0.2 to 0.4

C. 0.8 to 1.0

D. 0.5 to 0.7

779. Effluent treatment cost in a chemical plant is categorised as the __________________ cost?
0

A. Fixed

B. Overhead

C. Capital

D. Utilities

780. A machine has an initial value of Rs. 5000, service life of 5 years and final salvage value of Rs. 1000. The annual depreciation cost by straight line method is Rs______________?
0

A. 300

B. 800

C. 600

D. 1000

Previous Next

Showing 761 to 780 of 8709 mcqs