The shaft of a motor rotates at a constant angular speed of 360rev/min. Angle turned through in 1 sec in radian is________________? Options: A. ?B. 3?C. 6?D. 12? View Answer D. 12?
When the body moves with terminal velocity the acceleration in the body become_____________? Options: A. 0B. MaximumC. VariableD. Infinite View Answer A. 0
Venturi meter is used to measure_________________? Options: A. Fluid pressureB. Fluid densityC. Fluid speedD. None View Answer A. Fluid pressure
The speed of the fluid is maximum in the venturi meter at_______________? Options: A. Convergent ductB. Divergent ductC. ThroatD. None of these View Answer D. None of these
When the amplitude of a wave becomes double its energy become_________________? Options: A. DoubleB. Four timesC. One halfD. None time View Answer B. Four times
Forced vibration is known as_____________________? Options: A. Simple harmonic vibrationB. Natural vibrationC. Driven harmonic vibrationD. Free vibration View Answer C. Driven harmonic vibration
The path of alpha particle is_______________? Options: A. RectilinearB. CurvedC. Zig-zag or erraticD. Elliptical View Answer C. Zig-zag or erratic
The most useful tracer is_________________? Options: A. Sr-90B. I-131C. CA-41D. C-14 View Answer D. C-14
In scientific notation, numbers are expressed in________________? Options: A. Power of tenB. Powers of twoC. ReciprocalD. Decimal View Answer A. Power of ten
Absolute uncertainty in a measurement depends upon______________? Options: A. The magnitude of the measurementB. Least count of the instrumentC. Percentage error in the measurementD. All of a, b and C View Answer B. Least count of the instrument