What error did he made in his choice of temperature scale

Reference no: EM13554790

Waly Whacko claims to have invented a heat engine that will revolutionize industry. It runs between a hot source at 300oC and a cold sink at 25oC. He claims that his engine is 92%

(a) What error did he made in his choice of temperature scale? And

(b) What is the actual maximum efficiency of his engine?

Reference no: EM13554790

Questions Cloud

What are frequency of motion in hertz-angular speed of ball : A ball rotates in a circle of radius 20.0 cm, making one complete revolution every 2.00 s. What are (a) the speed of the ball, (b) the frequency of motion in hertz, and (c) the angular speed of the ball?

What is the mass of the bird : A bird sits on a telephone wire midway between two poles 20 meters apart. The wire, assumed weightless, sags by 50 cm. If the tension in the wire is 90 Newtons, what is the mass of the bird?

Spherical of sound and neglecting absorption in the air : At a rock concert, a dB meter registered 130 dB when placed at a2.8 m in front of a loudspeaker on the stage. (a) what was thepower output of the speaker assuming uniform spherical ofthe sound and neglecting absorption in the air?(b) how far awaywoul..

Resting on a nonconductin sheet of plastic : A positively charged rubber rod is moved close to a neutral copper ball that is resting on a nonconductin sheet of plastic. (a) Show how the charges are arranged on these spheres if they are very far from each other.

What error did he made in his choice of temperature scale : Waly Whacko claims to have invented a heat engine that will revolutionize industry. What error did he made in his choice of temperature scale

Estimate the annual cost to operate the bulb : A 100-W driveway light bulb is on 10 hours per day. Assuming thepower company charges 10 cents for each kilowatt-hour of electricity used, estimate the annual cost to operate the bulb.

Find what is the increase in temperature of the bullet : 4.30 g lead bullet traveling at 320 m/s is stopped by a large tree. what is the increase in temperature of the bullet

What is the potential difference between the plates : An electron acquires 6.4 x 10^-16J of kinetic energy when it isaccelerated by an electric field from plate A to plate B. What is the potential difference between the plates?

What is the final volume in meters cubed : A gas cylinder holds .10 mol of O_2 at 150 degrees Celsius and a pressure of 3.0atm. The gas expands adiabatically until the pressure ishalved.

User Account

All Pages