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A domestic food freezer maintains a temperature of - 15°C. The ambient air temperature is 30°C. If heat leaks into the freezer at the continuous rate of 1.75 kJ/s what is the least power necessary to pump this heat out continuously.
Mechanical Engineering, Engineering
Question - Truss Structure Consider the three membered planar truss structure shown in the figure below. All members of the truss have identical square cross-sectional area (A) of 25 mm x 25 mm, and Youngs Modulus (E) = ...
Force Exerted By Jet On Moving cart. 1. You need to determine the velocity of water that comes out from the nozzle of this system. need the equation please formulate the equation. 2. This water will strike a small cart a ...
5 STAR QUESTIONS & Answers 1. A) Define Heat treatment B) Name different types of heat treatment processes C) Write any 4 purposes of Heat treatment 2. Explain various Heat treatment processes 3. A) Compare Thermo plasti ...
1. Explain the term "critical equipment" and provide two clear examples of machinery which falls into this category on board a twin screw motor vessel. 2. Explain the process of Charpy lmpact Testing including sample mar ...
Structural Mechanics Questions - Q1. A 150-lb bucket is suspended from a cable on the wooden frame. Determine the resultant internal loadings on the cross section at D, and at E. Q2. The shaft is supported at its ends by ...
Assignment - Q1. Explain the difference between the metacentric height of a ship during 'Partially Afloat condition and 'Free Floating' condition; aid a sketch to support your answer. Q2. With the aid of sketches, explai ...
Allocate ten minutes for the presentation Use audio / visual / technological supports / aids where appropriate Use a minimum of 3 properly referenced articles. THEMES PRESENTATION TOPIC MEMORY Discuss the three learning ...
Problem - A long pipe (OD = 141.3 mm, ID =131.8 mm, k p = 20 W/m.K) supplies hot pressurized liquid water at 400 K to a heater in a factory. The pipe has an insulation thickness of 100 mm. A new efficient heater replaces ...
Expansion Processes of a Perfect Gas Assignment: 1. Attend the laboratory class and complete the lab tests according to the supervisor's requirement. Students will not allowed to submit their report if they do not come t ...
Questions - Q1. A qualitative estimate of the effect of a wind-tunnel contraction (Figure) on turbulent motion can be obtained by assuming that the angular momentum of eddies does not change through the contraction. Let ...
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