Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by Using heat from exhaust The battery Compressing air in the cylinders An electrical spark Using heat from exhaust The battery Compressing air in the cylinders An electrical spark ANSWER DOWNLOAD EXAMIANS APP
Physics For accurate scientific work, temperatures are often measured by Thermoelectric thermometers Alcohol thermometers Mercury thermometers Platinum resistance thermometers Thermoelectric thermometers Alcohol thermometers Mercury thermometers Platinum resistance thermometers ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a compound machine? Knife Bicycle Ramp Screw Knife Bicycle Ramp Screw ANSWER DOWNLOAD EXAMIANS APP
Physics Ice is packed in saw dust because Saw dust will not get melted easily. Saw dust does not stick to the ice. Saw dust is poor conductor of heat. Saw dust is a good conductor of heat. Saw dust will not get melted easily. Saw dust does not stick to the ice. Saw dust is poor conductor of heat. Saw dust is a good conductor of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics The magnifying power of an astronomical telescope can be decreased by None of these Increasing the focal length of the objective Decreasing the focal length of the eyepiece Increasing the focal length of the eyepiece None of these Increasing the focal length of the objective Decreasing the focal length of the eyepiece Increasing the focal length of the eyepiece ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? Contracts It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter Expands Contracts It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter Expands ANSWER DOWNLOAD EXAMIANS APP
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