Question 1 : 5/2 way single solenoid valve has:
1. 2 ports 2 positions
2. 5 ports 2 positions
3. 5 ports 5 positions
4. 2 ports 5 positions
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Question 2 : DC motors can be modeled as:
1. Armature controlled
2. Field Controlled
3. Both a and b
4. None of the mentioned
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Question 3 : Speed of a permanent magnet DC motor:
1. It is directly proportional to the armature voltage at a given load torque
2. The speed torque characteristics are more flat than in a wound field motor
3. It depends upon armature voltage and are more flat than in a wound field motor
4. None of the mentioned
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Question 4 : The most common hydraulic fluid is:
1. Mineral oil
2. Synthetic fluid
3. Water
4. Gel
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Question 5 : Heavy lifting work is often accomplished by shifting fluids in big machines. The power system of such machines can be described as
1. Reciprocating
2. Pneumatic
3. Hydraulic
4. Hybrid
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Question 6 : The torque developed by the motor when stationary with the full applied voltage__________
1. Stalled torque
2. Torque
3. Force
4. Couple
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Question 7 : Fluid power circuits use schematic drawings to:
1. Simplify component function details
2. Make it so only trained persons can understand the functions
3. Make the drawing look impressive
4. Make untrained person to understand
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Question 8 : The capacitance, in force-current analogy, is analogous to
1. Momentum
2. Velocity
3. Displacement
4. Mass
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Question 9 : In electrical-pneumatic system analogy the current is considered analogous to
1. Velocity
2. Pressure
3. Air flow
4. Air flow rate
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Question 10 : Low power transducers called sensors prefer:
1. Linear relationship between controlled variable and output variable
2. Non-functional relationship between controlled variable and output variable
3. Non-linear relationship between controlled variable and output variable
4. Not related with each other
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