A. Coincides with its centre of gravity
B. Lies below its centre of gravity
C. Lies below its metacentre
D. None of these
✅ 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.
682. Holes in a plate for rivetted joints is preferably made by
A. Drilling
B. Tapping
C. Reaming
D. Punching
✅ The correct answer is option A.
683. Lead is added to 60:40 brass primarily to improve
A. Machinability
B. Corrosion resistance
C. Fluidity
D. Strength
✅ The correct answer is option A.
684. The underground well of a biogas plant is called the
A. Septic tank
B. Oxidation well
C. Digestor
D. Lagoon
✅ The correct answer is option C.
685. Carnot cycle is also termed as the constant __________ cycle in thermodynamics.
A. Entropy
B. Pressure
C. Volume
D. Heat
✅ The correct answer is option D.
686. Value of a material is usually considered as a relationship between
A. Cost and profit
B. Utility and appearance
C. Utility and cost
D. Reliability and utility
✅ The correct answer is option C.
687. Work study deals with the __________ study.
A. Time
B. Motion
C. Both A & B
D. Neither A nor B
✅ The correct answer is option C.
688. Which of the following is an inedible oil ?
A. Corn oil
B. Tallow oil
C. Olive oil
D. Cotton seed oil
✅ The correct answer is option B.
689. Aluminium oxide (an abrasive) is used for grinding
A. Ceramics
B. High speed steel
C. Cemented carbide
D. None of these
✅ The correct answer is option B.
690. The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element.
A. Silicon
B. Carbon
C. Phosphorous
D. Chromium
✅ The correct answer is option B.