10,000+ Engineering Interview Questions and Answers Pdf - 2

Question: 6

Wet chemical fire extinguishers are identified by which colour?

(A) yellow

(B) red

(C) cream

(D) black

Question: 7

Which of the following is true about LTI?

(A) it is a workplace injury that results in the worker being unable to perform his or her duties beyond the day of the injury

(B) LTI stands for lost time injury

(C) both a and b

(D) none of the above

Question: 8

The primary treatment of the effluent water is usually done by

(A) biofiltration

(B) clarifier

(C) sand filtration

(D) all of the above

Question: 9

______ solution is added in the upstream of Boitowers as a nutriants for bacteria.

(A) Hydrochloric acid

(B) Sulphuric acid

(C) Diammonium phosphate

(D) none of the above

Question: 10

The probability of a risk occurring can be

(A) increased by increasing duration of toxicity

(B) increased by increasing duration of exposure

(C) increased by increasing the concentration of the agent

(D) all of the above