3. What is the C.G. of an isosceles triangle of
1. The working substance for a Carnot cycle is 8
14. A polytropic process of air from 150 psia, 300°F,
2. Gaseous nitrogen actuates a Carnot power cycle in which
11. One pound of an ideal gas undergoes an isentropic
6. Two and one-half pounds of air actuate a cycle
Two tugboats apply forces P and Q to a barge,
Problem 1 Schematic diagrams of the following measuring devices are
The truss shown below is made from three pin-connected members
5. An ideal Stirling cycle operates with 1 kg of
5,000 kg/h of water will be heated from 20°C to
Milk with density of 1020 kg/m3 is transported on a
1.A double-pipe heat exchanger is constructed of a copper (k
4. A gas whose composition is not known has 42.2
A 500 kg load on a hydraulic lift shown in
In Section 3.15 we studied the case of the lifting
n moles of an ideal gas A ad (1-n) moles
A fluid at 0.7 bar occupying 0.09 m 3
Air flows isothermally at 60°C through a constant-area duct such
A rotor is driven by a co-axial motor through a