A. Flexibility
B. Plasticity
C. Hardness
D. Hardenability
✅ 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.
702. __________ welding will be the most suitable for butt welding two 20 cms thick boiler drum mild steel plates.
A. Electrical resistance
B. Electroslag
C. Plasma torch
D. Submerged arc
✅ The correct answer is option B.
703. Minimum diameter of the tube used for making water manometer should be __________ mm to avoid a correction for the effect of capillarity.
A. 1
B. 2.5
C. 4
D. 6
✅ The correct answer is option D.
704. Which of the following heat treatment processes is usually applied to castings ?
A. Tempering
B. Annealing
C. Normalising
D. Carburising
✅ The correct answer is option D.
705. Metal shots used in shot blasting are made of
A. Stellite
B. Steel
C. Bronze
D. Lead
✅ The correct answer is option B.
706. A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?
A. Steel
B. Glass
C. Rubber
D. Brass
✅ The correct answer is option A.
707. The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system.
A. Pulverised fuel
B. Travelling grate stoker firing
C. Circulating fluidised bed
D. Fluidised bed
✅ The correct answer is option A.
708. Inspection of surface and sub-surface cracks in non-magnetic alloys is done by __________ testing method.
A. X-ray
B. Magnetic particle
C. Dye penetrant
D. Ultrasonic
✅ The correct answer is option C.
709. Which of the following is an example of stress corrosion ?
A. Season cracking of brass
B. Caustic embrittlement of steel
C. Both (a) & (b)
D. Neither (a) nor (b)
✅ The correct answer is option C.
710. Heat flow across a hollow sphere of inner radius ‘r₁’ and outer radius ‘r₂’ is directly proportional to
A. (r₂ – r₁)/(r₁ – r₂)
B. (r₂ . r₁)/(r₂ – r₁)
C. (r₁ + r₂)/(r₁ . r₂)
D. (r₁ . r₂)/(r₁ + r₂)
✅ The correct answer is option B.