Civil Engineering MCQs

Page No. 216

According to principle of transmissibility of forces, the effect of a force upon a body is_______________?


a maximum when it acts at the center of gravity of a body

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bdifferent at different points in its line of action

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cthe same at every point in its line of action

✓


dminimum when it acts at the C.G. of the body

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When trying to turn a key into a lock, following is applied___________________?


acoplanar force

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bnon-coplanar forces

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cmoment

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dcouple

✓


View Answer couple

The weight of a body is due to____________________?


a centripetal force of earth

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bgravitational pull exerted by the earth

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c forces experienced by body in atmos-phere

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dgravitational force of attraction towards the centre of the earth

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Which of the following is not the unit of work, energy and heat ?


akcal

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bkg m

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ckWhr

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dhp

✓


View Answer hp

Which of the following is not the unit of distance ?


aangstrom

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bmicron

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cmillimeter

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dmilestone

✓


View Answer milestone

The resolved part of the resultant of two forces inclined at an angle 9 in a given direction is equal to__________________?


athe algebraic sum of the resolved parts of the forces in the given direction

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bthe sum of the resolved parts of the forces in the given direction

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cthe difference of the forces multiplied by the cosine of 9

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dthe sum of the forces multiplied by the sine of 9

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Which is the correct statement about law of polygon of forces ?


a if any number of forces acting at a point can be represented by the sides of a polygon taken in order, then the forces are in equilibrium

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bif any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon, then the forces are in equilibrium

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cif a polygon representing forces acting at a point is closed then forces are in equilibrium

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d if any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon taken in order, then the forces are in equilibrium

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The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of__________________?


aforces

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bindependence of forces

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cdependence of forces

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dresolution of forces

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View Answer resolution of forces

Which of the following is not the unit of power ?


a kW (kilowatt)

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bhp (horse power)

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c kcal/sec

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dkcal/kg sec

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View Answer kcal/kg sec

Which of the following do not have identical dimensions ?


aMomentum and impulse

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bTorque and energy

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cKinetic energy and potential energy

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dMoment of a force and angular momentum

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