4131. The ratio of the energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam is called mechanical efficiency.
Yes
No
✅ The correct answer is option B.
Mechanical Engineering
Prepare with the best Mechanical Engineering MCQs with answers and explanations for exams, interviews, and job tests. Our collection covers core topics such as engineering mechanics, thermodynamics, strength of materials, theory of machines, fluid mechanics, heat transfer, manufacturing processes, machine design, and power plant engineering. These Mechanical Engineering multiple-choice questions are designed for students, fresh graduates, and professionals preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and recruitment assessments. Strengthen your technical knowledge and problem-solving ability with our updated and comprehensive Mechanical Engineering MCQs.
4133. When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be
to move the ship towards star-board
to move the ship towards port side
to raise the bow and lower the stern
to raise the stern and
✅ The correct answer is option A.
4134. The operation performed on a shaper is
machining horizontal surface
machining vertical surface
machining angular surface
all of these
✅ The correct answer is option D.
4135. The stress which vary from a minimum value to a maximum value of the same nature (i.e. tensile or compressive) is called
repeated stress
yield stress
fluctuating stress
alternating stress
✅ The correct answer is option C.
4136. The neutral axis of the symmetrical beam does not pass through the centroid of the beam.
Agree
Disagree
✅ The correct answer is option B.
4137. For a given stress, the ratio of moment of resistance of a beam of square cross-section when placed with its two sides horizontal to the moment of resistance with its diagonal horizontal, is
1-Feb
1
1-Feb
2
✅ The correct answer is option D.
4139. The function of a carburettor is to control the amount and ratio of air-fuel mixture.
TRUE
FALSE
✅ The correct answer is option A.
4140. Which of the following are the principles of material handling?
keep all the handling to the minimum
select only efficient handling equipment
move the heaviest weight to the least distance
all of the above
✅ The correct answer is option D.