TasDia Network
TasDia Network

MCQs 1: A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to_________________?

25 50 100 250 500
Answer Explanation

MCQs 2: If n = number of members andy = number of joints, then for a perfect frame, n =________________?

j-2 2j-l 2/-3 3/-2 2/ -4
Answer Explanation

MCQs 3: The necessary condition for forces to be in equilibrium is that these should be_____________________?

coplanar meet at one point ; both A. and B. above all be equal something else
Answer Explanation

MCQs 4: The maximum frictional force which comes into play when a body just begins to slide over another surface is called________________?

limiting friction sliding friction rolling friction kinematic friction dynamic friction
Answer Explanation

MCQs 5: A single force and a couple acting in the same plane upon a rigid body_________________?

balance each other cannot balance each other produce moment of a couple are equivalent none of the above
Answer Explanation

MCQs 6: A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of___________________?

r/2 r/A r/% 0.134 r 3r/8
Answer Explanation

MCQs 7: The effort required to lift a load W on a screw jack with helix angle a and angle of friction

Wtan(a + ) Wtan(a-) Wcos(a + ) Wsin(a + ) W (sin a + cos ).
Answer Explanation

MCQs 8: Coulomb friction is the friction between_____________________?

bodies having relative motion two dry surfaces two lubricated surfaces solids and liquids electrically charged particles
Answer Explanation

MCQs 9: A projectile is fired at an angle 9 to the vertical. Its horizontal range will be maximum when 9 is__________________?

0° 30° 45° 60° 90°
Answer Explanation

MCQs 10: Shear stress induced in a shaft subjected to tension will be__________________?

maximum at periphery and zero at center maximum at center uniform throughout average value in center none of the above
Answer Explanation

MCQs 11: A key is subjected to side pressure as well at shearing forces. These pressures are called_________________?

bearing stresses fatigue stresses crushing stresses resultant stresses none of the above
Answer Explanation

MCQs 12: The torsional rigidity of a shaft is expressed by the_______________?

maximum torque it can transmit number of cycles it undergoes before failure elastic limit up to which it resists torsion, shear and bending stresses torque required to produce a twist of one radian per unit length of shaft maximum power it can transmit at highest possible-speed
Answer Explanation

MCQs 13: Longitudinal stress in a thin cylinder is__________________?

equal to the hoop stress twice the hoop stress half of the hoop stress one-fourth of hoop stress four times the hoop stress
Answer Explanation

MCQs 14: A boiler shell 200 cm diameter and plate thickness 1.5 cm is subjected to internal pressure of 1.5 MN/m , then the hoop stress will be_________________?

30 MN/m2 50 MN/m2 100 MN/m2 200 MN/m2 300 MN/m2
Answer Explanation

MCQs 15: The deformation of a bar under its own weight compared to the deformation of same body subjected to a direct load equal to weight of the body is_______________?

same double half four times one-fourth
Answer Explanation

MCQs 16: Rivets are made of following type of material_________________?

tough hard resilient ductile malleable
Answer Explanation

MCQs 17: If the rivets in adjacent rows are staggered and the outermost row has only one rivet, the arrangement of the rivets is called__________________?

chain riveting zig zag riveting diamond riveting criss-cross riveting none of the above
Answer Explanation

MCQs 18: A riveted joint in which every rivet of a row is opposite to other rivet of the outer row, is known as______________________?

chain riveted joint diamond riveted joint criss-cross riveted joint zig-zag riveted joint none of the above
Answer Explanation

MCQs 19: Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure) to the strength of the unpunched plate in_________________?

tension compression bearing any one of the above none of the above
Answer Explanation

MCQs 20: In riveted boiler joints, all stresses, shearing, bearing and tensile are based on the_________________?

size of rivet size of the drilled or reamed hole average of size of rivet and hole smaller of the two any one of the above
Answer Explanation

Related Topics

About Us | Contact Us | Privacy Policy
ABOUT US
Category
Who We Are

TasDia Network, this platform not only provides you the best educational stuff but besides this, we are creating thousands of new ideas to making your signature and planning much more on a single platform.

© 2020-2023, TasDia Network

All rights of the publication are reserved by tasdia.com.