Sandvik Mining and Rock Technology Interview Questions, Process, and Tips

Written test 100 questions paper set.

Q1. Pascal law, force , torque, torque converter, pulley,ohms law, unit of voltage, hydraulic direction valve.
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Q2. Define torque converter.
Ans. 
A torque converter is a fluid coupling that transfers power from the engine to the transmission in an automatic vehicle.
• Transfers power from the engine to the transmission

• Uses fluid to transmit power

• Allows the engine to keep running while the vehicle is stopped

• Improves fuel efficiency and smoothness of gear changes
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Q3. Tell us about rope pulley why required.
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Rope pulleys are used to change the direction of a force, making it easier to lift heavy objects.
• Rope pulleys reduce the amount of force needed to lift heavy objects by distributing the weight over multiple ropes and wheels.

• They are commonly used in construction, rock climbing, and rescue operations.

• Rope pulleys can also be used to create mechanical advantage, allowing for easier lifting of heavy loads.
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Q4. Unit of voltage in electrical
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The unit of voltage in electrical is volts (V).
• The unit of voltage is represented by the symbol V.

• Voltage is the difference in electric potential between two points in a circuit.

• Common examples of voltage include 120V in household outlets and 12V in car batteries.
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Q5. Hydraulic direction valve, pressure relief valve, reducing valve,
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Q1. About yourself and your hobby
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Q2. Basic of mechanical and electrical
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Q1. Compressor details, types of compressor
Ans. 
Compressors are devices that increase the pressure of a gas or vapor.
• Positive displacement compressors: reciprocating, rotary screw, rotary vane

• Dynamic compressors: centrifugal, axial flow

• Compressors can be classified based on their cooling method: air-cooled or water-cooled

• Compressors can also be classified based on their lubrication method: oil-lubricated or oil-free
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Q2. Type of pump and there work
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Pumps are devices used to move fluids from one place to another. There are various types of pumps, each with their own unique working principle.
• Centrifugal pumps use a rotating impeller to create a flow of fluid.

• Positive displacement pumps use a mechanical means to move fluid, such as a piston or diaphragm.

• Axial flow pumps move fluid parallel to the axis of rotation.

• Jet pumps use a high-pressure fluid to create a low-p...read more
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