Tribology (MCQ : MODULE - 1)


Question 1: Which of the following is an electro-pneumatic component

A. Relay.
B. DCV.
C. Pump.
D. Cylinder.

(A)
(B)
(C)
(D)


Question 2: OR circuit is __________________.

A. 2 switches in series connection.
B. 2 switches in parallel connection.
C. 1 switch and 1 relay in series connection.
D. 1 switch and 1 relay in parallel connection.

(A)
(B)
(C)
(D)


Question 3: DC power supply converts AC into DC.

A. True.
B. False.

(A)
(B)


Question 4: In Electro-Pneumatic Direction control valves the actuation is done by which of the following?

A. Lever.
B. Push button.
C. Solenoid.
D. Relay.

(A)
(B)
(C)
(D)


Question 5: Sensors are ______________ elements in Electro Pneumatic circuits.

A. Output.
B. Input.
C. Control.
D. None of the above.

(A)
(B)
(C)
(D)


Question 6: Which of the following operates only on physical contact with the actuating system

A. Inductive switch.
B. Capacitive switch.
C. Reed switch.
D. Limit switch.

(A)
(B)
(C)
(D)


Question 7: In which of the following type of signals information is assigned point by point to a continuous value range of the signal parameter.

A. Analog signals.
B. Digital Signals.
C. Both.
D. None of the Above.

(A)
(B)
(C)
(D)


Question 8: Indirect control of electro pneumatic circuits involve special use of which of the following?

A. Sensors.
B. Switches.
C. Relays.
D. Valves.

(A)
(B)
(C)
(D)


Question 9: In a 5/2 way single solenoids valve what is the actuation mechanism of the position of the valve which is other than solenoid actuated?

A. Push button.
B. Spring.
C. Selector Switch.
D. None of the above.

(A)
(B)
(C)
(D)


Question 10: If a circuit has to switch between two power sources then which type of switch is required?

A. SPST.
B. SPDT.
C. DPDT.
D. None of the above.

(A)
(B)
(C)
(D)


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