QuestionJuly 20, 2025

Select the choice which best answers the following: What can a motor that runs hotter than usual indicate? a) The pump is drawing more than normal power b) The motor is connected to foreign voltage source c) The pump is operating at under capacity d) The viscosity of the fluid being pumped is too thin for the size of the pump II

Select the choice which best answers the following: What can a motor that runs hotter than usual indicate? a) The pump is drawing more than normal power b) The motor is connected to foreign voltage source c) The pump is operating at under capacity d) The viscosity of the fluid being pumped is too thin for the size of the pump II
Select the choice which best answers the following: What can a motor that runs hotter than usual indicate? a) The pump is drawing more than normal power b) The motor is connected to foreign voltage source c) The pump is operating at under capacity d) The viscosity of the fluid being pumped is too thin for the size of the pump II

Solution
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Answer

a) The pump is drawing more than normal power Explanation 1. Analyze the options A motor running hotter than usual often indicates that it is working harder than normal, which can be due to increased power draw or incorrect voltage. 2. Evaluate option (a) If the pump is drawing more than normal power, it can cause the motor to overheat due to excessive load. 3. Evaluate option (b) A foreign voltage source could cause overheating if the voltage is higher than the motor's rating. 4. Evaluate option (c) Operating at under capacity typically does not cause overheating; it may lead to inefficiency but not excess heat. 5. Evaluate option (d) Thin fluid viscosity generally reduces load and is unlikely to cause overheating.

Explanation

1. Analyze the options<br /> A motor running hotter than usual often indicates that it is working harder than normal, which can be due to increased power draw or incorrect voltage.<br /><br />2. Evaluate option (a)<br /> If the pump is drawing more than normal power, it can cause the motor to overheat due to excessive load.<br /><br />3. Evaluate option (b)<br /> A foreign voltage source could cause overheating if the voltage is higher than the motor's rating.<br /><br />4. Evaluate option (c)<br /> Operating at under capacity typically does not cause overheating; it may lead to inefficiency but not excess heat.<br /><br />5. Evaluate option (d)<br /> Thin fluid viscosity generally reduces load and is unlikely to cause overheating.
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