Recent questions in Engineering

Question

Scenario: You and three of your friends decide to hike the Appalachian Trail, a 2175-mile trail running from Georgia to Maine, starting when school ends for the year in June. A month into the trip, two

Kick Buttowski asked Feb 24, 2021

by Kick Buttowski

4.4k points

1 answer

2 votes

163k views

The coefficient of performance of a reversible refrigeration cycle is always (a) greater than, (b) less than, (c) equal to the coefficient of performance of an irreversible refrigeration cycle when each

Vipin Gupta asked Feb 24, 2021

by Vipin Gupta

5.6k points

1 answer

4 votes

157k views

The inspection department in an automobile final assembly plant checks cars coming off the line against 85 features that are considered critical-to-quality characteristics for customer satisfaction. During

BlueIceDJ asked Feb 24, 2021

by BlueIceDJ

4.7k points

2 answers

4 votes

195k views

The annual average insolation (energy of sunlight per unit area) striking a fixed solar panel in Buffalo, New York, is 200 W*m^−2, while in Phoenix, Arizona, it is 270 W*m^−2. In each location, the solar

Yoki asked Feb 24, 2021

by Yoki

5.2k points

1 answer

0 votes

91.5k views

In a manufacturing facility, 2-in-diameter brass balls (k = 64.1 Btu/h·ft·°F, rho = 532 lbm/ft^3, and cp = 0.092 Btu/lbm·°F) initially at 360°F are quenched in a water bath at 120°F for a period of 2 min

MaximumGoat asked Feb 24, 2021

by MaximumGoat

4.8k points

2 answers

4 votes

41.2k views

A mechanism is a device that transmits movements so that the output movement is different than the input movement. It can be used to change the direction, ___________, ____________, or type of movement.

Vicentedealencar asked Feb 24, 2021

by Vicentedealencar

4.9k points

1 answer

1 vote

120k views

Consider the following fragment of C code: for (i=0; i<=100; i++) { a[ i ] = b[ i ] + C; } Assume that a and b are arrays of words and the base address of a is in $a0 and the base address of b is in $a1. Register $t0 holds the variable i and register $s0 the constant C. Write the code for MIPS. How many instructions are executed during the running of your code? How many memory data references will be made during execution?

Mtbkrdave asked Feb 24, 2021

by Mtbkrdave

5.7k points

1 answer

4 votes

28.9k views

Show how am MDP with a reward function R(s, a, s’) can be transformed into a different MDP with reward function R(s, a), such that optimal policies in the new MDP correspond exactly to optimal policies

Stawros asked Feb 24, 2021

by Stawros

4.6k points

1 answer

5 votes

178k views

Moist air at 24°C, 1 atm, and 50% relative humidity enters an evaporative cooling unit operating at steady state consisting of a heating section followed by a soaked pad evaporative cooler operating adiabatically.

VooDooNOFX asked Feb 24, 2021

by VooDooNOFX

5.2k points

1 answer

0 votes

217k views

Consider a single crystal of some hypothetical metal that has the BCC crystal structure and is oriented such that a tensile stress is applied along a [121] direction. If slip occurs on a (101) plane and

SRP asked Feb 24, 2021

by SRP

5.2k points

1 answer

1 vote

197k views

A square-thread power screw has a major diameter of 32 mm and a pitch of 4 mm with single threads, and it is used to raise a load putting a force of 6.5 kN on the screw. The coefficient of friction for

Loliki asked Feb 24, 2021

by Loliki

5.7k points

1 answer

3 votes

82.7k views

The equation sigma = My/l is used in the mechanics of materials to determine normal stresses in beams. When this equation is expressed in terms of SI base units. M is in newton-meters (N-m), y is in meters

Alex Vazhev asked Feb 24, 2021

by Alex Vazhev

5.0k points

1 answer

4 votes

121k views

The mechanical properties of a metal may be improved by incorporating fine particles of its oxide. Given that the moduli of elasticity of the metal and oxide are, respectively, 57 GPa and 390 GPa, what

Bruh asked Feb 24, 2021

by Bruh

5.0k points

1 answer

1 vote

216k views

4.A compression spring has a diameter of 0.67 in and a coil diameter of 0.067 in, with 30 total coils. The spring is to be made of unpeened HD A227 wire and have squared and ground ends. Find the fatigue

Carlo Medas asked Feb 24, 2021

by Carlo Medas

5.6k points

1 answer

4 votes

204k views

A beam has a rectangular cross section that is 5 inches wide and 1.5 inches tall. The supports are 60 inches apart and with a 125 lb person standing in the middle of the beam and it deflects .15 in. Find

Joel Filho asked Feb 24, 2021

by Joel Filho

5.4k points

1 answer

2 votes

53.8k views

Technician A says that many traction control systems reduce engine torque to help the drive wheels achieve traction. Technician B says that hydraulic pressure from the electrohydraulic unit supplies brake

Geuis asked Feb 24, 2021

by Geuis

5.2k points

1 answer

0 votes

63.3k views

To reduce the negative impacts of stress on your mental health, try... O (A) breathing deeply O (B) ignoring your body so you can feel better O (C) talking with a friend O A&C

JfMR asked Feb 24, 2021

by JfMR

5.0k points

2 answers

5 votes

12.4k views

Why carbon is not used as a semiconductor material

Vishal Makasana asked Feb 24, 2021

by Vishal Makasana

4.8k points

1 answer

3 votes

216k views

What is biomass? A) Organic matter that can be used as a fuel source B) Natural resource that takes more than a lifetime to replenish C) Alternative energy forms like solar energy and wind power that can

Glitch Desire asked Feb 24, 2021

by Glitch Desire

5.3k points

2 answers

2 votes

138k views

Deep-ocean fish cannot survive in shallow water, because the water pressure is too low. Donovan is working on a container to bring deep- ocean fish to the surface successfully. He has studied alternative

Gawyn asked Feb 24, 2021

by Gawyn

4.9k points

2 answers

3 votes

120k views

Page:

« prev
1
...
825
826
827
828
829
830
831
...
1000
...
next »

Ask a Question

Recent questions in Engineering

Other Questions