A. Hardness
B. Grain size
C. Tensile strength
D. Toughness & transverse ductility
✅ The correct answer is option D.
Engineering MCQs
Out of the following, the joint produced by __________ has the lowest strength.
A. Soldering
B. Welding
C. Brazing
D. Rivetting
✅ The correct answer is option A.
Copper deposits are found in India at the following location:
A. Kudremukh
B. Kolar
C. Khetri
D. Ramagundam
✅ The correct answer is option C.
Copper is not present as an alloying constituent in
A. Silicon bronze
B. Constantan
C. Nichrome
D. Delta metal
✅ The correct answer is option C.
The hardness of a grinding wheel is specified by the
A. Alphabetical letter
B. Rockwell hardness number
C. Brinell hardness number
D. None of these
✅ The correct answer is option A.
Water hammer is caused in steam carrying pipelines, because of
A. Partial condensation of steam
B. Vibration of the pipeline
C. High degree of superheat of steam
D. Its exposure to torrential rain
✅ The correct answer is option A.
Which of the following materials has the maximum shrinkage allowance ?
A. Brass
B. Cast iron
C. Lead
D. Aluminium alloy
✅ The correct answer is option C.
Which of the following contains the least percentage of carbon ?
A. Pig iron
B. Wrought iron
C. Cast iron
D. Malleable iron
✅ The correct answer is option B.
Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.
A. Hexagonal close, packed (hcp)
B. Face centred cubic (fcc)
C. Body centred cubic (bcc)
D. Simple cubic
✅ The correct answer is option D.
Wave length of X-rays is about 1 angstron, however it can not pass through a sheet of
A. Paper
B. Cloth
C. Lead
D. Aluminium
✅ The correct answer is option C.