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Recently added practice questions

8761. If the ABC Typing Service is earning a rate of return greater than the return necessary for the business to continue operations, then ?
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A. normal profit is zero

B. total costs exceed total revenue

C. the firm is earning are economic profit

D. total costs exceed normal profit

8762. If temperature changes, h parameters of a transistor ________________?
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A. Also change

B. Do not change

C. None of the above

D. May or may not change

8763. If starting winding of a single-phase induction motor is left in the circuit, it will____________?
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A. spark at light loads

B. run faster

C. run slower

D. draw excessive current and overheat
8764. If somebody is prepared to work at the going wage rate but cannot find work then they are victims of ?
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A. voluntary unemployment

B. classical unemployment

C. Frictional unemployment

D. voluntary unemployment
8765. If Sb, is the average bond stress on a bar of diameter subjected to maximum stress , the length of the embedment is given by_____________?
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A. l = dt/3Sb

B. l = dt/2Sb

C. l = dt/Sb

D. l = dt/4Sb
8766. If saving exceeds investment the national income will ?
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A. Fluctuate

B. Remain constant

C. Rise

D. Fall

8767. If ruling gradient is I in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be_________________?
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A. 5%

B. 3%

C. 6%

D. 4%
8768. If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella___________________?
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A. none of the above

B. more inclined when moving

C. less inclined when moving

D. more inclined when standing

E. less inclined when standing
8769. If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella_________________?
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A. less inclined when moving

B. more inclined when standing

C. more inclined when moving

D. less inclined when standing

E. none of the above

8770. If R1 is in series with parallel connected to R2 and R3, what happens to total current if R2 opens?
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A. cannot tell

B. decreases

C. increases

D. remains the same

8771. If q is the average sewage flow from a city of population P, the maximum sewage flow______________?
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A. Q = [(5 + )/((15 + )] q

B. Q = [(18 + P)/(4 + )] q

C. Q = [(4 + )/(18 + )] q

D. Q = [(18 + )/(4 + )] q
8772. If Pakistans incomes rise faster than those in most other countries the the exchange value will tend to ?
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A. depreciate

B. not be affected

C. fluctuate more than it would do otherwise

D. appreciate

8773. If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by________________?
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A. Zp/N

B. ZN/p

C. Z/pN

D. N/Zp

E. p/ZN

8774. If oxygen content in the flue gas rises too high, fuel is being wasted by _______________?
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A. None of these

B. Dry gas/stack gas loss

C. Moisture loss

D. Incomplete combustion

8775. If overgrowth of cementum does not improve the functional qualities of cementum, it is termed as_____________?
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A. Hypoplasia

B. Hypertrophy

C. Excementoses

D. Hyperplasia
8776. If one persons enjoyment of the benefits of a good does not interfere with anothers consumption of it, the good is said to be ?
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A. non-excludable

B. non-rival in consumption

C. limitless in utility

D. congestible in consumption

8777. If one persons consumption of a good diminishes other peoples use of the good, the good is said to be ?
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A. a common resource

B. rival

C. a good produced by a natural monopoly

D. excludable

8778. If oligopolists engage in collusion and successfully from a cartel, the market outcome is ?
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A. efficient because cooperation improves efficiency

B. known as a Nash equilibrium

C. the same as if it were served by competitive firms.

D. the same as if it were served by a monopoly.
8779. If n is the order of reaction, then unit of rate constant is _________________?
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A. None of these

B. (Time)-1 (concentration)n 1

C. 1/(time)(concentration)n 1

D. (Time)n 1 (concentration)

8780. If N is the number of shafts used, then the total number of feces available for attacking the excavation and construction in tunnels are_________________________?
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A. 2 N + 2

B. 2 N + 1

C. N + 2

D. 2N

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