A. Improve machinability & tensile strength
B. Remove internal stresses
C. Refine the structure
D. Remove strains caused by cold working
✅ The correct answer is option B.
Engineering MCQs
On an average __________ fast neutrons are produced by nuclear fission of each atom of uranium⁻²35.
A. 1
B. 2.5
C. 3.5
D. 5
✅ The correct answer is option B.
Which of the following is not a principal alloying element for the structural steel?
A. Molybednum
B. Nickel
C. Manganese
D. Chromium
✅ The correct answer is option A.
Fluorine is not a constituent of
A. Freon
B. Chloroform
C. Teflon
D. Fluorocarbons
✅ The correct answer is option B.
Which of the following is resistant to the action of both heat & chemicals?
A. Boro silicate glass
B. Silica glass
C. Soda lime glass
D. None of these
✅ The correct answer is option A.
Stresses encountered in the metal forming processes are less than the __________ of the material.
A. Fracture strength
B. Yield strength
C. Elastic limit
D. Limit of proportionality
✅ The correct answer is option A.
One ton of refrigeration is not equivalent to the heat removal rate of
A. 200 BTU/minute
B. 50 kcal/minute
C. 50 kJ/sec
D. 3.5 KW
✅ The correct answer is option C.
Hot extrusion process is not used for making
A. Cast iron pipe for domestic water supply
B. Aluminium curtain rods
C. Stainless steel tubes used in furnitures
D. Any of these
✅ The correct answer is option A.
What is the percentage of chromium in 18-4-1 high speed steel?
A. 1
B. 4
C. 18
D. 23
✅ The correct answer is option C.
Consumable electrodes are used in the __________ welding.
A. Gas
B. Arc
C. Thermit
D. Resistance
✅ The correct answer is option B.