151. The atmospheric pressure with rise in altitude decreases____________________?
A. linearly
B. first slowly and then steeply
C. first steeply and then gradually
D. unpredictable
✅ The correct answer is option B.
Civil Engineering Mcqs MCQs
152. A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm2 and a volume of 0.039 m3 at 150 kg/cm2. The bulk modulus of elasticity of liquid is _________________?
A. 400 kg/cm2
B. 4000 kg/cm2
C. 40 x 105 kg/cm2
D. 40 x 106 kg/cm2
✅ The correct answer is option B.
153. Resultant pressure of the liquid in the case of an immersed body acts through _________________?
A. center of gravity
B. center of pressure
C. metacentre
D. center of buoyancy
✅ The correct answer is option B.
154. A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is __________________?
A. 9,000 kg
B. 13,500 kg
C. 18,000 kg
D. 27,000 kg
✅ The correct answer is option B.
155. When drainage to sewage ratio is 20, the peak dry weather flow is_______________?
A. 20% of the design discharge
B. Slightly less than 5% of the design discharge
C. Slightly more than 5% of the design discharge
D. None of these
✅ The correct answer is option B.
156. Choose the correct relationship_________________?
A. specific gravity = gravity x density
B. dynamicviscosity = kinematicviscosity x density
C. gravity = specific gravity x density
D. kinematicviscosity = dynamicviscosity x density
✅ The correct answer is option B.
157. A body floats in stable equilibrium________________?
A. when its meatcentric height is zero
B. when the metancentre is above e.g
C. when its e.g. is below it’s center of buoyancy
D. metacentre has nothing to do with position of e.g. for determining stability
✅ The correct answer is option B.
158. During the opening of a valve in a pipe line, the flow is___________________?
A. steady
B. unsteady
C. uniform
D. laminar
✅ The correct answer is option B.
159. All the proceeds which are received by the business as a result of the sale of goods is called _________________?
A. Net income
B. Gross income
C. Net revenue
D. Total sales
✅ The correct answer is option B.
160. The ability to convert assets to cash quickly is known as ________________?
A. Solvency
B. Liquidity
C. Leverage
D. Insolvency
✅ The correct answer is option B.