Examination for Engineer

1. If we have to choose bearing for high radial force and low speed application, which of the following bearing meet with the requirement.
a. ball bearing
b. roller bearing
c. taper bearing
d. thrust bearing
e. b and c are correct

2. If we have to establish a pumping system with high head and low flow, which of the following pump type is suitable:
a. centrifugal impeller pump
b. axial impeller pump
c. combined direction impeller pump
d. positive displacement impeller pump
e. screw pump

3. Lubrication (oil or grease) required for bearing rotating parts to:
a. lubricate all contact surface for rotating parts
b. as heat transfer/cooling media from metal to fluid
c. prevent of contamination ingress and surface corrosion effect
d. a and b
e. a, b and c

4. Which one of the following terms isn’t related with compressor:
a. surging effect
b. air Cooler
c. air Filter and Receiver
d. cavitations
e. a and b

5. Which NDT (Non Destructive Test) usually is used for boiler tube crack inspection.
a. radiography test
b. dye Penetrant test
c. ultrasonic/Magnetic test
d. a and b are correct
e. a and c are correct



6. Control valve at power plant application will produce smooth and precise flow using following valve type.
a. ball valve
b. butterfly valve
c. non Return valve
d. relief valve
e. all of these

7. Which following is commonly used power transmission in industrial application
a. Gear
b. Belt
c. Coupling
d. Sprocket/chain
e. all of these

8. As Ideal Rankine Steam cycle (T-s diagram), which equipment in power plant has the possibility to increase entropy (s)
a. Boiler
b. Feed water/Condensate pump
c. LP Turbine
d. Condenser
e. A and B are correct

9. Common heat transfer process that occurr in boiler system is.
a. Convection
b. Conduction
c. Radiation
d. A, B and C are correct
e. A and B only are correct

10. Losses in water pumping system can be affected by following sources (as Moody chart and Darcy equation)
a. Dimension of pipe (length and diameter)
b. Number of valve and reducer/elbow
c. Head static loss
d. Fluid flow rate and type
e. all of these

11. For Water Treatment piping system which one of the following is the best sleeted material
a. Stainless Steel 304 type
b. Stainless Steel 316 type
c. PVC
d. Alloy Steel
e. A, B, C and D are correct

12. Vibration of rotating equipment could be caused by:
a. misalignment
b. unbalance
c. soft foot
d. bearing damage
e. all of these

13. Cavitations phenomenon can be influenced by
a. impeller problem
b. suction filter/foot valve
c. suction and discharge pipe length
d. a and b are correct
e. a, b and c correct

14. Which terminology isn’t related with welding
a. PWHT
b. Undercut defect
c. Torque
d. HAZ
e. Electrode

15. Following source can effect to boiler tube failure
a. Fatigue stress crack, Low pH Corrosion, Errosion
b. Thermal stress or overheating, Internal deposit crack
c. Hydrogen embrittlement; Oxygen corrosion
d. A and B are correct
e. A, B and C are correct

16. Please describe Type of Boiler below
a. Water Tube Boiler
b. Fire Tube Boiler
c. Combi Boiler

17. Please describe Steam Cycle main equipments at Coal Fired Power Plant below
a. Turbine (HP/LP Turbine)
b. Steam Generator/Boiler
c. Feed Water Pump
d. Condenser
e. Reheater and Superheater

18. Please describe pump types below
a. Centrifugal pump
b. Axial pump
d. Piston pump
e. Positive Displacement/Reciprocating pump
f. Rotary/Gear/Vane pump


19. Please describe of welding process type below
a. SMAW welding
b. GTAW welding
c. MIG welding
d. Acetylene welding
e. TIG welding

20. Please describe gear types below
a. Plain gear
b. Worm gear
c. Spiral gear
d. Helical/bevel gear
e. Rack and Pinion gear