Category: Mechanical Engineering Mcqs

The most commonly used moderator in nuclear plants is___________________?

Hamad Nuclear Power Plants 12/04/2024

A. heavy water
B. concrete and bricks
C. graphite and concrete
D. deutrium
E. graphite

Work study is done with the help of_______________?

Hamad Production Technology 11/04/2024

A. process chart
B. material handling
C. stop watch
D. all of the above
E. none of the above

Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts__________________?

Hamad Theory of Machines 06/04/2024

A. theory of machines
B. applied mechanics
C. mechanisms
D. kinetics
E. kinematics

Pure iron is the structure of_______________?

Hamad Engineering Materials 01/04/2024

A. ferrite
B. pearlite
C. anstenite
D. ferrite and cementite
E. ferrite and pearlite

If a rigid body is in equilibrium under the action of three forces, then _____________________?

Hamad Engineering Mechanics 29/03/2024

A. these forces are equal
B. the lines of action of these forces meet in a point
C. the lines of action of these forces are parallel
D. B. and C. above
E. none of the above

A cable with a uniformly distributed load per horizontal meter run will take the following shape________________?

Hamad Engineering Mechanics 27/03/2024

A. straight line
B. parabola
C. hyperbola
D. elliptical
E. part of a circle

Elastic nut is a locking device in which__________________?

Hamad Machine Design 26/03/2024

A. one small nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming
B. a slot is cut partly in middle of nut and then slot reduced by tightening a screw
C. hard fiber or nylon cotter is recessed in the nut and becomes threaded as the nut is stewed on the bolt causing a tight grip
D. through slots are made at top and a cotter-pin is passed through these and a hole in the bolt, and cotter pin splitted and bent in reverse direction at other end
E. none of the above