๐๏ธCivil Engineering MCQs
Civil Engineering MCQs
479 MCQs271
The specific weight of water is 1000 kg/mโ _______________?
Aat norma] pressure of 760 mm
Bat 4ยฐC temperature
Cat mean sea level
Dall the above E. none of the above.
272
The property of a fluid which enables it to resist tensile stress is known as________________?
Acompressibility
Bsurface tension
Ccohesion
Dadhesion E. viscosity.
273
Property of a fluid by which its own molecules are attracted is called ________________?
Aadhesion
Bcohesion
Cviscosity
Dcompressibility E. surface tension
274
Density of water is maximum at ___________________?
A0ยฐC
B0ยฐK
C4ยฐC
D100ยฐC E. 20ยฐ
275
Pick up the incorrect statement from the following?
AThe process of decomposing the organic matter under controlled anaerobic conditions, is called sludge digestion
BSludge digestion is carried out in sludge tank
CThe gases produced in sludge digestion process, contain 75% carbon dioxide
DThe gases produced in sludge digestion process, contain 75% methane
276
Pick up the correct statement from the following?
AAnaerobic bacteria flourish in the absence of oxygen
BAerobic bacteria flourish in the presence of oxygen
CFacultative bacteria flourish with or without oxygen
DAll the above
277
If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its_______________?
Aspecific weight
Bspecific mass
Cspecific gravity
Dspecific density E. none of the above
278
The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be___________________?
A500 kg
B1000 kg
C1500 kg
D2000 kg E. 4000 kg
279
Metacentric height is given as the distance between_______________?
Athe center of gravity of the body andthe meta center
Bthe center of gravity of the body and the center of buoyancy
Cthe center of gravity of the body and the center of pressure
Dcenter of buoyancy and metacentre E. none of the above
280
The bulk modulus of elasticity __________________?
Ahas the dimensions of 1/pressure
Bincreases with pressure
Cis large when fluid is more compressible
Dis independent of pressure and viscosity E. is directly proportional to flow.