[A]. remains the same
[B]. increases
[C]. decreases
[D]. is unpredictable
✅ The correct answer is option C.
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.
18612. Which of the following statement is incorrect?
[A]. The liquid fuels consist of hydrocarbons.
[B]. The liquid fuels have higher calorific value than solid fuels.
[C]. The solid fuels have higher calorific value than liquid fuels.
[D]. A good fuel should have low ignition point.
✅ The correct answer is option C.
18613. The chisel used for cutting key ways is
[A]. flat chisel
[B]. cape chisel
[C]. round nose chisel
[D]. diamond pointed chisel
✅ The correct answer is option B.
18614. In a four high rolling mill, there are four rolls out of which
[A]. one is working roll and three are backing up rolls
[B]. two are working rolls and two are backing up rolls
[C]. three are working rolls and one is backing up roll
[D]. all of the four are working rolls
✅ The correct answer is option B.
18615. In a unit type body (frameless body) design, the sheet metal parts are welded together, forming a frame work to which outer skin is attached.
[A]. True
[B]. False
null
null
✅ The correct answer is option A.
18616. When cut-off ratio is __________ the efficiency of Diesel cycle approaches to Otto cycle efficiency.
[A]. zero
[B]. 1/5
[C]. 4/5
[D]. 1
✅ The correct answer is option A.
18617. A fixture does not guide the tool.
[A]. Correct
[B]. Incorrect
null
null
✅ The correct answer is option A.
18618. The pair is known as a higher pair, when the relative motion between the elements of a pair is
[A]. turning only
[B]. sliding only
[C]. rolling only
[D]. partly turning and partly sliding
✅ The correct answer is option D.
18619. The property of a material due to which it breaks with little permanent distortion, is called
[A]. brittleness
[B]. ductility
[C]. malleability
[D]. plasticity
✅ The correct answer is option A.
18620. When a bar is cooled to – 5°C, it will develop
[A]. no stress
[B]. shear stress
[C]. tensile stress
[D]. compressive stress
✅ The correct answer is option C.