WJM Introduction MCQs : This section focuses on the "WJM Introduction". These Multiple Choice Questions (MCQs) should be practiced to improve the WJM Introduction skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Intensifier increases the pressure water by which of the following values?
A. 10 – 100 MPa
B. 100 – 200 MPa
C. 200 – 400 MPa
D. 400 – 1000 MPa
Question 2
On which property of water, will the accumulator in Water jet machining rely on?
A. Density
B. Compressibility
C. Viscosity
D. Velocity
Question 3
What are the uses of catcher in machining system of Water jet machining?
A. Collecting dirt
B. Collection of debris
C. Reduce noise levels
D. All of the mentioned
Question 4
What are the values of typical tube diameters in the machining system in WJM?
A. 0.1 to 1 mm
B. 1 to 6 mm
C. 6 to 14 mm
D. 14 to 25 mm
Question 5
What is the expected life of the nozzles used in WJM?
A. 10 hrs
B. 20 hrs
C. 100 hrs
D. 200 hrs
Question 6
What is the full form of WJM in advanced machining processes?
A. Water Jack Manufacturing
B. Water Jet Machining
C. Water Jet Manufacturing
D. Water Jack Manufacturing
Question 7
What is the general power rating of the hydraulic pump, used in WJM?
A. 10 kW
B. 20 kW
C. 30 kW
D. 40 kW
Question 8
What is the key element of water jet machining for material removal?
A. Tool Holder
B. Work piece
C. Water jet
D. Power source
Question 9
What is the velocity of the water jet stream in water jet machining?
A. 100 m/sec
B. 300 m/sec
C. 700 m/sec
D. 900 m/sec
Question 10
Which of the following does not damage the nozzle used in Water jet machining?
A. Particles of dirt
B. Mineral deposits
C. Water
D. All of the mentioned
Question 11
Which of the following is not a part of machining system of Water jet machining?
A. Transducer
B. Accumulator
C. Jet cutting nozzle
D. Hydraulic pump