Fluids
How does increasing the surface area of an object affect its rate of heat loss by radiation?
It has no effect on the rate of heat loss by radiation.
It decreases the rate of heat loss by radiation.
It first increases then decreases beyond optimal surface area for radiation.
It increases the rate of heat loss by radiation.
Which unit is used to measure fluid flow rate?
Meters per second squared (m/s²)
Kilograms per second (kg/s)
Cubic meters per second (m³/s)
Pascals per second (Pa/s)
What unit represents viscosity in the International System of Units?
Meter-kilogram/second²
Newton-second/meter²
Meter/cubicMeter/kilogram-meter/sec/
Pascal-second (Pa·s)
In a double U-tube manometer, with one side open to the atmosphere and the other attached to a gas container, if mercury levels differ by 0.15 meters when atmospheric pressure is 101 kPa, what is the gas pressure inside the container?
Slightly below 99 kPa
Slightly above 103 kPa
Much greater than 105 kPa
Exactly 101 kPa
How does increasing the number of loops in an inductor coil affect the self-inductance?
No effect, as only the current carrying through the coil affects self-inductance, not the number of loops.
It stays the same since it depends only on the material properties of the coil.
It decreases because the additional loops reduce the overall magnetic field strength.
It increases due to more flux linkages per current change.
Given a rigid container filled with water and air at room temperature, if a small bubble at the bottom rises to half its original depth, how does its volume change assuming constant temperature?
It approximately doubles
It reduces by half
It remains unchanged
It quadruples
What effect does adding a capacitor in parallel with another capacitor have on the total capacitance of an electrical circuit?
The total capacitance increases.
The total capacitance remains the same.
The total capacitance decreases.
The total capacitance becomes half of each individual capacitor's value.

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What force is responsible for maintaining a circular path for an object moving with uniform circular motion?
Centripetal force
Magnetic force
Gravitational force
Frictional force
What happens to the pressure as you dive deeper into a body of water?
It increases.
It decreases.
It does not change.
It fluctuates unpredictably.
What is the SI unit of pressure commonly used in fluid mechanics?
Joule (J)
Pascal (Pa)
Newton (N)
Watt (W)