A. buoyancy, gravity
B. buoyancy, pressure
C. buoyancy, inertial
D. inertial, gravity
E. gravity, pressure
A. 100 mm dia.
B. 150 mm dia.
C. 225 mm dia.
D. All of these
[B].
Answer: Option B
Explanation:
No answer description available for this question.
A. sink to bottom
B. float over fluid
C. partly immersed
D. be fully immersed with top surface at fluid surface
E. none of the above
A. Economic return
B. Yield
C. Rate of return
D. Return of investment
[B].
Answer: Option B
Explanation:
No answer description available for this question.
A. The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes
B. Proper tests for the presence of poisonous gases must be carried out
C. The men entering the manhole should be advised to smoke in the sewer
D. Warning signals should be erected