Mechanical Engineering : Hydraulic And Fluid Machines QUESTIONS AND ANSWERS :: part2 : 6 to 10
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
6.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 |
| 400 kg/cm2 |
| 4000 kg/cm2 |
| 40 x 105 kg/cm2 |
| 40 x 106 kg/cm2 |
| none of the above. |
7.The property of fluid by virtue of which it offers resistance to shear is called |
| surface tension |
| adhesion |
| cohesion |
| viscosity |
| all of the above. |
8.Surface tension |
| acts in the plane of the interface normal to any line in the surface |
| is also known as capillarity |
| is a function of the curvature of the interface |
| decreases with fall in temperature |
| has no units. |
9.The increase of temperature results in |
| increase in viscosity of gas |
| increase in viscosity of liquid |
| decrease in viscosity of gas |
| decrease in viscosity of liquid |
| (a) and (d) above. |
10.The density of water is 1000 kg/m3 at |
| 0�C |
| 0�K |
| 4�C (d) 20�C |
| all temperature. |
| opt 5 |
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