FLUID MECHANICS OBJECTIVE QUESTIONS

FLUID MECHANICS OBJECTIVE QUESTIONS

1. WHICH OF THE FOLLOWING IS AN ABSOLUTE QUANTITY?

A. MASS
B. VOLUME
C. DENSITY
D. SPECIFIC WEEIGHT

2. CAPILLARY RISE IS DUE TO

A. ADHESION
B. COHESION
C. ADHESION AND COHESION
D. SURFACE TENSION

3. SURFACE TENSION FOR WATER AIR INTERFACE AT 20 DEGREE CELCIUS IS

A. 0.0987
B. 0.0736
C. 0.0786
D. 0.0473

4. WHY WATER WETS THE SURFACE?

A. COHESION IS MORE
B. ADHESION IS MORE
C. BOTH ADHESION AND COHESION ARE MORE
D. ITS NATURE

5. IF TEMPERATURE RISES THEN DENSITY OF A GAS

A. DECREASES
B. INCREASES
C. FIRST INCREASES THEN DECREASES
D. NO EFFECT

6. A FLUID CAN BE TREATED AS INCOMPRESSIBLE WHEN MACH NUMBER IS

A. GREATER THAN 0.3
B. LESS THAN 0.3
C. EQUAL TO 0.3
D. NONE OF THE ABOVE

7. KEROSENE IS WHICH TYPE OF FLUID

A. NEWTONIAN
B. NON NEWTONIAN
C. VISCOUS
D. RHEOPECTIC

8. BLOOD IS AN EXAMPLE OF

A. DILATANT FLUID
B. BINGHAM PLASTIC FLUID
C. PSEUDOPLASTIC FLUID
D. THIXOTROPIC FLUID

9. PAINTS ARE WHICH TYPE OF FLUIDS?

A. DILATANT
B. BINGHAM PLASTIC
C. THIXOTROPIC
D. RHEOPECTIC

10. SUGAR IN WATER IS AN EXAMPLE OF

A. BINGHAM PLASTIC
B. DILATANT
C. PSEDOPLASTIC
D. NEWTONIAN