A. More
B. Less
C. Same
D. More but less than the diameter of bolt
✅ The correct answer is option A.
Engineering
Boost your preparation with the latest Engineering MCQs with answers and explanations. Our collection covers civil engineering, electrical engineering, mechanical engineering, electronics, software engineering, and other core subjects. These multiple-choice questions are designed for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, PEC exams, university entry tests, and job interviews. Practice online with updated Engineering MCQs to strengthen concepts, improve technical knowledge, and perform better in exams and recruitment tests.
62. The passage between the nozzle and the __________ is called ‘sprue’ in case of injection moulding.
A. Runner
B. Cylinder
C. Mold
D. None of these
✅ The correct answer is option A.
63. Work done by a/an __________ process is determined by ∫p.dV.
A. Adiabatic
B. Quasi-static
C. Isothermal
D. Isentropic
✅ The correct answer is option B.
64. Air intake for an air compressor should be preferably taken from
A. A site, where cooling towers are located nearby
B. A site, where open coal yard in located nearby
C. An air conditioned room maintained at a temperature of 18°C
D. An outside atmosphere at 10°C
✅ The correct answer is option D.
65. The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the
A. Critical point
B. Curie temperature
C. Inversion temperature
D. Eutectic temperature
✅ The correct answer is option B.
66. Which of the following materials has the least scrap value?
A. Aluminium
B. Stainless steel
C. Brass
D. Copper
✅ The correct answer is option B.
67. Leakage in a cooking gas cylinder is detected by
A. Radio-isotopes
B. Pouring soap solution on the surface and locating the gas bubbles
C. Halide torch
D. Pungent smell of mercaptans present in the gas
✅ The correct answer is option D.
68. Which of the following has the highest modulus of elasticity (about 7 x 10⁶ kg/cm²) ?
A. High speed steel
B. Stainless steel
C. Tungsten carbide
D. Superalloys
✅ The correct answer is option C.
69. Secondary hardening in steels arises out of the
A. Precipitation of fine alloy carbides at high temperatures
B. Refinement of ferrite grain size by working
C. Decomposition of retained austenite upon heat treatment
D. Precipitation of complex inter-metal-lics upon heat treatment
✅ The correct answer is option C.
70. Ingrannular corrosion occurs __________ stainless steel.
A. In all types of steels except
B. At the surface of
C. Along grain boundaries of
D. In the core of
✅ The correct answer is option C.