in the compression stroke of a gas engine the work done on the gas by the piston is 70 kJ/kg and the heat rejected to the cooling water is 42 kJ/kg. Calculate the change of specific internal energy stating whether it is a gain or a loss. (28 kJ/kg gain

in the compression stroke of a gas engine the work done on the gas by the piston is 70 kJ/kg and the heat rejected to the cooling water is 42 kJ/kg. Calculate the change of specific internal energy stating whether it is a gain or a loss. (28 kJ/kg gain

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter1: Heat, Temperature, And Pressure

Section: Chapter Questions

Problem 6RQ: One British thermal unit will raise the temperature of _____ 1b of water _____F.

See similar textbooks

Related questions

Q: The specific volume of a liquid is the :reciprocal of weight density specific volume O specific…

Q: The unrelated to the principles of convergent thinking A. Be deliberate B. Improve Your Ideas C.…

A: Given questions are related to industrial engineering The unrelated principles of convergent…

Q: Two parallel shafts A and B, 36 in. apart, are connected by a belt drive. The driving pulley rotates…

Q: 3. a) Generator Connects the rotor hub to gear box in a horizontal axis wind turbine. b) Low speed…

A: It's called low speed shaft which connect the rotor to gear box . So option b is correct You see it…

Q: As water is traveling from a water tower, to someone's home, the pipes it travels in frequently…

Q: 13. The maximum permissible recoil distance of a gun is specified as 0.5 m. If the initial recoil…

Q: Hypothetical metal has an FCC crystal structure. If its density is 22.4 g/cm3, and atomic weight is…

Q: Problem 1 The downhill racer team is testing a new design. There are 4 wheels each with a diameter…

Q: 4. Oil with viscosity 2 x 10-2 Ns/m² and density 850 kg/m3 is pumped along a straight horizontal…

A: Answer: ◆ The pipe diameter is 150.225 mm ◆ The Reynolds number is 1801.054 (Comment: Since Reynolds…

Q: Four steel bars jointly support a mass of 15 Mg as shown. Each bar has a cross-sectional area of 600…

Q: One of the features of the Turing machine is that it has an external memory which remembers…

A: True

Q: Oil with viscosity 2 x 10-2 Ns/m2 and density 850 kg/m3 is pumped along a straight horizontal pipe…

Q: A tall open-topped standpipe has an inside diameter of 1590 mm and a wall thickness of 6.4 mm. The…

A: Given:d=1590 mmt=6.4 mmρw=1000 Kg/m3σallow=15.2 MPa

Q: Explain briefly what is meant by fully developed laminar flow. The velocity u at any radius r in…

A: u=14*μ*ro2-r2*dpdx

Q: Two solid cylindrical rods support a load of P = 19 kN as shown. Determine the axial load in rod…

Q: the accel highest point on 4 A particle in a central field moves in the spiral orbit (r = c04).…

A: Given: It is given that a particle in a central field moves in the spiral orbit. The objective is to…

Q: A 10,000-kW turbogenerator operating at rated capacity receives 52,000 kg/h of steam at 2.90 MPa and…

Q: What is the theoretical flow rate from a fixed displacement axial piston pump with an eight-bore…

Q: The third sequence in the Injection machine of polymers, a shot of melt, which has been brought to…

Q: Given: A = 51% B = 1015 hPa C = 838 hPa

A: Given data: Internal Diameter of bottle = D = 6 cm Internal height of bottle = HB = 25 cmLength of…

Q: Cl 3. F (9001) O 0 P d DO

Q: Superheated steam at 575ºC is routed from a boiler to the turbine of an electric power plant through…

A: Given: The superheated temperature of steam, Ts = 575 C The thermal conductivity of steel tube, k =…

Q: 3. A simple pendulum has a mass of 0.250 kg and a length of 1.00 m. It is displaced through an angle…

Q: An alloy system consists of two metals A&B which are soluble in each other in all proportions in the…

A: The phase diagram and the corresponding point for the given wt% of A and B is shown below.

Q: Given that Wm= weight of the molten metal displaced by a core and Wc = weight of the core, the…

Q: 12- Ceramics have good impact strength. O True O False

A: Disclaimer: “Since you have asked multiple questions, we will solve the first question for you which…

Q: Solve for B X A: A = 4j B = 2j + 3i - k Select the correct response: O4i +8k O4i + 12k ( 3i + 12j…

A: Calculated vector B×A.

Q: Two 6-in.-wide wooden boards are to be joined by splice plates that will be fully glued on the…

Q: 11. A particle is released from the rest (y=0) and falls under the influence of gravity with air…

Q: Q3: Define the following choose five only. 1- Conservation of mass. 2-Gravitational…

Q: ) why balancing of reciprocating masses is necessary for machine with any two oil and gas plant…

A: Introduction: Reciprocating mass: A weighted item that spins or moves is referred to as a…

Q: Read the problem carefully and provide complete solutions with derivation of formulas (integrals and…

Q: Explain the basis of Paris' Law and discuss with a sketch the relationship between crack growth rate…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to…

Q: What is the result of: | 4ai (2ai + 3j) | ...i and j are unit vectors.

Q: The following data refer to a full journal short bearing. Diameter of the journal - 50 mm Length of…

A: Given data Diameter of journal = d = 50 mmLength of the bearing = L = 20 mmSpeed of rotation of the…

Q: An Otto Cycle receives air at 101 kPa and 20 C, then compresses it to 10% of the original volume.…

Q: During a drilling operation, the small robotic device is subjected to an (800 N) force as shown.…

Q: A simple pendulum is found to vibrate at a frequency of 0.5 Hz in a vacuum and 0.45 Hz in a viscous…

Q: 15 kg a perfect gas is heated at constant pressure from 15 °C to 368.15 K, the heat required is 1130…

Q: For the figure shown, if the tensile force in member AB is 38 kN and the ........ allowable stress…

A: Given:TAB=38 KNσallow=120 MPa

Q: Q A rigid type flange coupling are connected two shafts made of plain carbon steel. The shafts are…

A: Given Shear stress = 60 MPa Power, P = 25 kW Speed, N = 500 rpm Find Diameter, d

Q: Compute for A • B: A = 7i - 2j B = 7i+ 3j - 4k Select the correct response: О о O 1 unit O 49 units…

Q: Air enters a diffuser of a jet engine at T₁ °C, 90kPa and a velocity of V₁ m/s. If the inlet…

Q: The new coordinates of scaled the pyramid ABCD, A(3,6,0), B(3,1,0), C(1,4,0) and D(2,3,3) by scaling…

Q: 7. A particle moves in plane polar coordinates by r = ce and 0 = 5bt where c. m, and b are positive…

Q: An oxygen cylinder has a capacity of 300 L and contains O₂ at 3.1 MPa and 18 °C. The value is open…

Q: The cable BC carries a tension of 750 N. Determine the projection of the tension on the line BO and…

Q: Superheated steam at 575ºC is routed from a boiler to the turbine of an electric power plant through…

A: Given data: Tis = surface temperature in the inside of the steel tube = 575 deg.C + 273 = 848 K Tos…

Q: The five-bolt connection must support an applied load of P = 4400 lb. If the average shear stress in…

Question

1.8
in the compression stroke of a gas engine the work done on the gas by the piston.
is 70 kJ/kg and the heat rejected to the cooling water is 42 kJ/kg. Calculate the
change of specific internal energy stating whether it is a gain or a loss,
(28 kJ/kg gain

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

One British thermal unit will raise the temperature of _____ 1b of water _____F.
In a hydraulic press machine the diameters of the effort and load pistons are respectively 25 cm and 100 cm. Find the distance moved by the load piston if 10 strokes are applied to the effort piston . Given : Stroke length of the effort piston is : 50 cm . Distance moved by Load piston : ____________m
The rate of water supply to a hydraulic crane is 90 liters per minute at a steady pressure of 70 bars. Find the input power and the efficiency if the output is 7.5 kW. The power in watts is the product of water supply pressure in N/m sq. and volume flow in M' per second.
The force exerted on a car by a prototype crash barrier crash is F=-(4400 + 50000S) N, where S in the distance in meters from the initial contract. Suppose that you want to design the barrier so it can stop a 2400kg car traveling at 100kph. Determine the average power transferred from the car during the impact if the duration of impact of the car is 0.33 sec.
A bucket of concrete of the total mass 200 kg is raised by a crane with an acceleration of 2 m/s2 relative to the ground at a location where the local gravitational acceleration is 9.5 m/sec2. Find the required force in Newtons.
A force of 98 N is applied to the input piston of a hydraulic system. The area of the input piston is 22 cm2, and that of the output piston is 70 cm2. Find how far the output piston moves if the input piston moves 2 cm per stroke.
Solve the following problem :a.What is the weight of a 1-kg mass at an altitude where the local acceleration of gravity is9.75 m/s2?b.What is the weight of a 1-lbm mass at an altitude where the local
Given the lifting table shown below, The diameter of the plunger DP 20 cm. The ram diameter DR 60 cm , The efficiency is 100 %, The stroke of the plunger is 30 cm. The ram has to raise a load F2 = 20 kN. Find: a) The force F1 exerted on the plunger b) the number of strokes needed to raise the load given above by a distance of 10 cm . c) the volume of oil pumped if the load moves by 30 cm (using plunger force given in a ) d) What will be the new diameter of the ram piston if the new load force is 16 times the force exerted in the plunger the diameter of the plunger is kept to 20cm. (please check the picture carefully).
1. A 500 – N box is pushed across a horizontal floor with a force of 250 N. The coefficient of kinetic friction is 0.40.(a) Find the work done in pushing the box 20 m.(b) How much work went into overcoming friction and how much into accelerating the box?
An electric motor is used to drive the shaft of a small water pump. During a performance test, the torque on the motor shaft is found to be 5.549 N.m when the motor is drawing 687.12 W of electrical power. What's the rotational speed of the shaft in rpm?
1. A student of mass 50 kg carries a bag weighing 4000g from the ground floor to his class on the first floor that is 900 cm high . The work done by the boy is =
Figure below shows the power consumption of a certain household in 1 day. Calculate the total energy consumed in kWh