A. Belt conveyor
B. Diesel locomotive
C. Truck
D. Overhead hoists & cranes
✅ The correct answer is option B.
Engineering MCQs
Ester is formed, when an alcohol reacts with
A. Carboxylic acid
B. Aldehyde
C. Ketone
D. Ether
✅ The correct answer is option A.
The stress at which extension of the material takes place more rapidly as compared to the increase in load is termed as the __________ point of the material.
A. Elastic
B. Ultimate
C. Yielding
D. Breaking
✅ The correct answer is option C.
Nickel and __________ are the alloying element added in steel to increase its toughness.
A. Molybdenum
B. Chromium
C. Vanadium
D. Silicon
✅ The correct answer is option D.
Heat release during phase change is observed in case of a/an
A. Boiler
B. Condenser
C. Evaporator
D. All of the above
✅ The correct answer is option B.
Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans ?
A. Emissivity of pipe surface
B. Diameter & length of the pipe
C. Temperature of hot pipe surface & that of air in the room
D. None of these
✅ The correct answer is option D.
Materials having resistivity ranging from 1 to 100 ohm. cm is termed as
A. Conductor
B. Insulator
C. Semi-conductor
D. None of these
✅ The correct answer is option C.
Fahrenheit and Centigrade scales have the same readings at
A. -55°
B. -40°
C. -33°
D. -58°
✅ The correct answer is option B.
High speed steel tools retain their hardness upto a temperature of __________ °C.
A. 500
B. 750
C. 900
D. 1100
✅ The correct answer is option C.
When metals are heated to high temperature, their __________ increases in general.
A. Atomic vibration
B. Creep strength
C. Yield stress & ultimate tensile strength
D. Toughness & stiffness
✅ The correct answer is option A.