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Question: 2 thermal reservoirs at initial temperatures Thi and Tci (Thi > Tci) are connected by a thermoelectric material, having seebeck coefficient a, thermal resistance Rt and electrical resistance Re. The setup is connected to an external electrical load resistor RL.The reservoirs have masses and specific heat capacities mh, ch and mc, cc respectively. Find the total energy generated.
How long will it take for the thermocouple to indicate a temperature of 25?C? What is the time constant for this system?
10 kg of water in a piston cylinder exists as a saturated mixture at 120 kpa with quality 40. the water is now heated
Making reasonable assumptions, evaluate if this is a reasonable claim or a gross exaggeration.
a push-rod for an internal combustion engine is 250.2 mm in length and is subjected to a force of 45 kn. if the
a 3-phase 400 v 50 hz 6 pole cage induction motor of rating 20 kw with slip at rated load of 4 has a starting toque
Consider the heat exchanger of Problem 11.14. After several years of operation, it is observed that the outlet temperature of the cold water reaches only 95°C rather than the desired 120°C for the same flow rates and inlet temperatures of the flui..
Calculate the Boundary layer thickness at the trailing edge of the plate and total drag force
1. Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 248C and exits at 1 bar. If the refrigerant undergoes a throttling process, what is the quality of the refrigerant exiting the expansion v..
The crankshaft of a small punch press rotates 100 rpm, with the shaft torque fluctuating between 0 and 1000 Nm in accordance with curve A of Figure P1.67.
Using the iron-Carbon equilibrium phase diagram, please describe the lines of transformation to austenite during heating with carbon content
when two cars a and b are next to one another they are traveling in the same direction with speeds va and vb
Purpose of this assignment: Be able to prepare a design specification to meet customer requirements. Establish the requirements to be included in your PDS using appropriate sources. Determine and present the major design parameters
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