ACC Concrete Placement Paper

1. How many inchs are there in one mm?

1 inch = —– mm?
a) 25.4
b) 254
c) 2.54
d) None of these

2. How many HP are there in one KW?
1 KW = ___ HP?

a) 122
b) 1.47
c) 1.37
d) None of these

3. A drive pulley rotates at 1440 rpm. It has a 2″ diameter. At what rpm will the driven pulley with 4″ rotate?

a) 1440
b) 2880
c) 144
d) 720

4. If H.P. of a motor is fixed, What is the relation between the torque and rpm of the motor:

a) Torque will not change with change in rpm
b) Torque will change proportionally to rpm
c) Torque will change universally proportional to rpm
d) None of these

5. If one cubic meter of cement equal to 1440 kg, calculate the density of the cement:

a) 1.440
b) 14.40
c) 144.0
d) 1440

6. In a concrete cantilever beam, the reinforcement should be…… to take the tension

a) in the neutral axis
b) bottom layer
c) top layer
d) None of these
The reinforcement should be in which axis or layer to take the tension.

7. What do you mean by the Point of contra flexure?

a) The point where shear force is zero & bending moment is maximum
b) The point where bending moment is zero & shear force is maximum
c) Point of contra flexure is the point where shear force & bending moment both are maximum
d) None

8. With increase in which of the following, does the frictional force increase?

a) Bodies’ Size
b) Contact area between two bodies
c) Co efficient of friction
d) None

9. Which of the following are used in a two stroke diesel engine?

a) inlet valves are used
b) inlet ports are used
c) None of these


10. What is the relation between BHP, IHP & FHP is

Full form of BHP - Brake Horse Power

Full form of FHP - Frictional HP

a) BHP = IHP + FHP
b) IHP = BHP + FHP
c) FHP = IHP + BHP
d) None of the above

11. In order to have maximum resistance against the buckling failure, what kind of cross section should the column have? (assume the cross sectional area to be same for all of these)

a) Rectangle
b) Square
c) Circular
d) None of these

12. Water flows in a pipeline. Suddenly we decrease the diameter. The velocity of water will increase and pressure will ____ ?

a) increase
b) be same
c) No relation with cross sectional area
d) decrease

13. What is the function of a lead screw in a lathe machine?

a) turning of shaft
b) cutting gear
c) cut the thread
d) cut the key slot

14. What is the Unit of vibration?

a) Gallon
b) Hertz
c) Volt
d) None of these

15. The comfort level gets better with which of the following in air conditioning

a) Decrease in humidity
b) Decrease in temperature
c) Decrease in dust content
d) All of the above

16. Dry bulb temperature = wet bulb temperature when

a) Humidity is 0%
b) Humidity is 50%
c) Humidity is 100%
d) None of these

17. Which of the following engines uses a Carburetor?

a) Modern diesel engine
b) Petrol Engine
c) Cole Engine
d) None of these