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You are logged in as Abraham Falola ( Logout ) ENIN 253 (Ibrahim): Engineering Thermodynamics You are here URCourses / ENIN 253 (Ibrahim) / Quiz 1 / ► Attempt 1 Quiz 1 - Attempt 1 Question1 Marks: 2 Consider a submarine cruising 30 m below the free surface of seawater  whose density is 1025 kg/m 3 . The increase in the pressure exerted on  the submarine when it dives to a depth of 120 m below the free surface  is Choose one answer. a. 144 kPa b. 1400 kPa c. 804 kPa d. 480 kPa e. 905 kPa Question2 Marks: 2 The atmospheric pressures at the top and the bottom of a mountain are  read by a barometer to be 95 and 100 kPa. If the average density of air  is 1.25 kg/m 3 , the height of the mountain is Choose one answer. a. 8200 m b. 408 m c. 5360 m d. 7650 m e. 547 m Question3 Marks: 2 A glycerin pump is powered by a 5-kW electric motor. The pressure  differential between the outlet and the inlet of the pump at full load is 
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quiz 1 - You are logged in as Abraham Falola (Logout)

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