Category: Applied Mechanics and Graphic Statics

A simple pendulum of length 1 has an energy E when its amplitude is A. If its amplitude is increased to 2 A, the energy becomes____________________?

Hamad Applied Mechanics and Graphic Statics 07/11/2021

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A. E
B. E/2
C. 2E
D. 4E

If the resultant of two forces has the same magnitude as either of the force, then the angle between the two forces is____________________?

Hamad Applied Mechanics and Graphic Statics 06/11/2021

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A. 30°
B. 45°
C. 60°
D. 120°

The condilion for a lifting machine to be reversible is that its efficiency should be_________________?

Hamad Applied Mechanics and Graphic Statics 29/10/2021

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A. less than 50%
B. more than 50%
C. more than 66.67%
D. equal to 100%

Minimum pull in a suspended cable with supports at two ends is equal to____________________?

Hamad Applied Mechanics and Graphic Statics 28/10/2021

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A. horizontal thrust
B. support reactions
C. resultant of horizontal thrust and support reaction
D. half the weight of the cable

A particle of mass 2 kg executes simple harmonic motion of frequency 6/71 Hz and amplitude 0.25 m. Its maximum kinetic energy is___________________?

Hamad Applied Mechanics and Graphic Statics 11/10/2021

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A. 4.5 J
B. 9.0 J
C. 12.0 J
D. 18.0 J

The force polygon representing a set of forces in equilibrium is a_____________________?

Hamad Applied Mechanics and Graphic Statics 02/10/2021

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A. triangle
B. open polygon
C. closed polygon
D. parallelogram

A quantity measured in the C.G.S system of units has dimensions M”2L3 T3/2. What numerical factor would be required to convert the quantity to SI units ?

Hamad Applied Mechanics and Graphic Statics 30/09/2021

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A. 1
B. 100
C. 1/100
D. 1/10000

The ratio of the speed of a rolling cylinder to the speed of sliding cylinder is_______________?

Hamad Applied Mechanics and Graphic Statics 28/09/2021

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A. less than 1
B. equal to 1
C. between 1 and 2
D. greater than 2

The dimensions of Gravitational Universal constant ‘G’ are______________?

Hamad Applied Mechanics and Graphic Statics 21/09/2021

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A. M-‘L2r2
B. M-‘L3r2
C. M-2L3T2
D. M’L3T2

In SI units, the units of force and energy are respectively___________________?

Hamad Applied Mechanics and Graphic Statics 15/09/2021

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A. Newton and watt
B. Dyne and erg
C. Newton and joule
D. kg-wt and joule