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.

1471. In bias ply tyres

all plies run parallel to one another
belts of steel mesh are used in the tyres
one ply layer runs diagonally one way and another layer runs diagonally the other way
all of the above
✅ The correct answer is option C.

1473. Beryllium bronze contains

60% copper and 40% beryllium
80% copper and 20% beryllium
97.75% copper and 2.25% beryllium
99% copper and 1% bery
✅ The correct answer is option C.

1475. An air preheater

increases evaporative capacity of the boiler
increases the efficiency of the boiler
enables low grade fuel to be burnt
all of the above
✅ The correct answer is option D.