Explore topic-wise MCQs in Mechanical Engineering.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

The work done in sliding a block of weight of 50 kg up a plane inclined at an angle of 30? to the horizontal so that the block is lifted through 1 m

A. More than 50 kgm
B. 50 kgm
C. Less than 5 kgm
D. 15 kgm only
E. None of the above
Answer» B. 50 kgm
Discussion
2.

A screw jack has 4 threads per inch. The mean radius of the thread is 2.338 inches. The mean diameter of the bearing surface under the cap is 3.25 inches. What is the turning moment required to raise the bload of 150 kg

A. 5.61 kg-inch
B. 50.6 kg-inch
C. 107 dynes
D. 30.3 kg-inch
E. 23.6 kg-inch
Answer» C. 107 dynes
Discussion
3.

What force is necessary to hold a weight of 100 kg suspended on a rope wrapped 3 times around a post

A. 0.35
B. 0.8
C. 1.46
D. 2.85
E. 107 dynes
Answer» B. 0.8
Discussion