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Recently added practice questions

8581. In a confederacy________________?
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A. power is centralized in a national government

B. powers not claimed by individual states are reserved by the national government

C. there is no national government whatsoever

D. all political power ultimately belongs to the states
8582. In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to ____________________?
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A. intake temperature and pressure conditions

B. N.T.P. conditions

C. none of the above

D. 20C and 1 kg/cm2

E. 0C and 1 kg/cm2

8583. In a competitive market, which of the following is least, likely to be the source of a persistent discriminatory wage differential ?
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A. the government

B. All of these answers could be source of a persistent discriminatory wage differential

C. the customer

D. the employer
8584. In a college election, a candidate secured 62 % of the votes and is elected by a majority of 144 votes. The total number of votes polled is:________?
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A. 600

B. 925

C. 800

D. 1200

8585. In a co-current double pipe heat exchanger used for condensing saturated steam over the inner tube, if the entrance and exit conditions of the coolant are interchanged, then the rate of condensation will___________________?
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A. Either increase or decrease; depends on the coolant flow rate

B. Remain unchanged

C. Increase

D. Decrease

8586. In a Circle of Radius 5 cm if AB and AC are two equal chords of length 6cm each, then the length of chord BC is___________?
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A. 7/5 cm

B. 12/5 cm

C. None of these

D. 24/5 cm

8587. In a chemical reaction as shown in the bellow figure, it is observed that the (i) Rate of formation of P is doubled on doubling the concentration of X (ii) Rate of formation of P is quadrupled on doubling the concentration of Y (iii) Doubling the concentration of Z does not affect the rate of formation of P What is the order of the above chemical reaction ?
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A. Second order

B. Third order

C. First order

D. Zeroth order

8588. In a charged capacitor the energy resides in________________?
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A. magnetic hield

B. nuclear field

C. gravitational field

D. electric field
8589. In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?
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A. 30%

B. 100%

C. 70%

D. 250%

8590. In a certain parallel resonant band-pass filter, the resonant frequency is 14 kHz. If the bandwidth is 4 kHz, the lower frequency_____________?
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A. is 7 kHz

B. is 12 kHz

C. cannot be determined

D. is 10 kHz

8591. In a certain normal distribution having = 35 and variance = 16, then mode will be_______________?
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A. 16

B. 3.5

C. None of these

D. 4

8592. In a certain low-pass filter, fc = 3.5 kHz. Its pass-band is_______________?
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A. 3.5 kHz

B. 7 kHz

C. 0 Hz to 3.5 kHz

D. 0 Hz

8593. In a certain CS JFET amplifier, RD= 1kO , RS= 560 O , VDD=10V and gm= 4500 S. If the source resistor is completely bypassed, the voltage gain is ________________?
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A. 2.52

B. 45

C. 450

D. 4.5

8594. In a centrifugal pump casing, the flow of water leaving the_______________?
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A. centrifugal

B. radial

C. rectilinear

D. vortex

E. radial

8595. In a centrifugal pump casing, the flow of water leaving the impeller, is___________________?
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A. free vortex motion

B. none of the above

C. radial flow

D. forced vortex

E. rectilinear flow

8596. In a capacitor, the electric charge is stored in_________?
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A. metal plates

B. dielectric

C. none of the above

D. dielectric as well as metal plates

8597. In a capacitor start motor, the phase displacement between starting and running winding can be nearly__________?
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A. 60

B. 30

C. 10

D. 90
8598. In a capacitor start motor, the phase displacement between starting and running winding can be nearly__________?
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A. 60

B. 30

C. 10

D. 90
8599. In a capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to_______________?
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A. to improve torque

B. reduce fluctuations in torque

C. improve power factor

D. increase overload capacity

8600. In a capacitive circuit___________?
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A. a steady value of applied voltage causes discharge

B. an increase in applied voltage makes a capacitor charge

C. decrease in applied voltage makes a capacitor charge

D. none of the above

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