Materials And Construction MCQ Questions & Answers

91

Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C?

A) Silicone rubber, teflon, procelain and wood B) Nickel, monel, stainless steel and graphite C) Aluminium, copper, high silicon iron D) Brass, cast iron, mild steel and tin

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

92

Cold work tool steel should have

A) High toughness B) Poor hardenability C) High wear resistance D) All of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

93

Pick out the wrong statement.

A) Etal/alloys having hexagonal crystal lattice structure are less malleable than those having cubic crystal lattice structure B) Etal/alloys having body centred cubic (bcc) crystal lattice structure is stronger & less ductile than those having face centred cubic (fcc) crystal lattice structure C) Ungsten has a body centred cubic (bcc) crystal lattice structure D) Oth ferritic & austenitic stainless steel has a face centred cubic (fcc) crystal structure

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

94

The softest material in Mho's scale (for measuring hardness) is

A) Talc B) Gypsum C) Rubber D) None of these

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

95

Lead . . . . . . . .

A) Is the hardest metal in common use B) Is the lightest metal in common use C) Can not be scratched by finger nails D) Can not be work hardened

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

96

Lead is

A) Not resistant to corrosion B) Used as a cathodic material C) Not used as pigment (in its compound forms) for paints D) Used as a shock absorber (in mattress form) between the foundation an steel framework of skyscrapper buildings

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

97

Lead pipe is

A) Especially resistant to solutions containing H₂SO₄ B) Usually joined by burning (e.g. by melting to adjacent pieces with a torch) C) Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

98

Hydrochloric acid absorber in made of

A) Cast iron B) Mild steel C) Karbate D) Stainless steel

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

99

Which of the following is not an alloy of tin?

A) White-bearing metal B) Pewter type metal C) Soft solder D) German silver

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

100

Which of the following is the easiest to bend?

A) Steel B) Stainless steel C) Cast iron D) Wrought iron

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Materials And Construction MCQ Questions & Answers | Chemical Engineering