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Engineering

Theresa

An etchant was used to electively etch the grain boundaries. Mention whether these grain boundaries would appear brighter or darker after etching when observed through optical microscope and explain the reason for such appearance.

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Engineering

Tessa

What are units for heating capacity? Mark all that apply: a) - Tons b) - kJ/kg c) - kW d) - Btu

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Engineering

Reece Costa

What is excess notation? What is twos complement notation? Why are they needed? In other words, why can't integer values be represented by ordinary binary numbers?

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Engineering

Emilie Booth

What is the net force acting on a car cruising at a constant velocity of 70 km/h (a) on a level road and (b) on an uphill road?

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Engineering

Joel Miranda

A paper clip is made of wire 0.75 mm in diameter. If the original material from which the wire is made is a rod 25 mm in diameter, calculate the longitudinal engineering and true strains that the wire has undergone during processing

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Engineering

Guest

What is the magnitude of the maximum stress that exists at the tip of an internal crack having a radius of curvature of 5 * 10-4 mm (1.969 * 10-5 in.) and a crack length of 4.5 * 10-2 mm (1.772 * 10-3 in.) when a tensile stress of 190 MPa (27560 psi) is applied?

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Engineering

Yusuf Kim

What are the factors of production in business? Land, labor, and capital land, capital, and interest land, labor, and customer base capital, customer base, and interest

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Engineering

Corey

The author claims that engineers should always have the final say and last word when it comes to setting safety standards. Select one True False

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Engineering

Asia Mendez

A positive electric charge is moved at a constant speed between two locations in an electric field, with no work done by or against the field at any time during the motion This situation can occur only if the

(A) charge is moved in the direction of the field

(B) charge is moved opposite to the direction of the field

(C) charge is moved perpendicular to an equipotential line

(D) charge is moved along an equipotential line

(E) electric field is uniform

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Engineering

Chanel Hudson

What are the effects of applying an additional layer of insulation to a cylindrical pipe or a spherical shell?

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Engineering

Persy

If the current through a resistor is increased by a factor of 4, by what factor does the voltage change?

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Engineering

Joaquin Oconnell

A reversible heat pump and a Carnot heat pump operate between the same two thermal reservoirs. Which heat pump has higher COP?

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Engineering

Kennedi Singh

On December 5, 2017, the Tursis defaulted on their promissory note to the Green Mountain Inn. On June 11, 2017, PP, Inc., formerly Green Mountain Inn, Inc., brought an action against the McGuires to recover on the note held as security for the Tursis' promissory note. Discuss whether the instrument is negotiable.

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Engineering

Tori Weiss

Electrical circuits must be locked-out/tagged-out before electricians work on any equipment. Is this true or false?

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Engineering

Donavan Adams

Which of the following is not true about intrusion detection systems (motion detectors, vibration sensors, light beams) ? A. They require human responseB. They cause a lot of false alarmsC. They depend on a constant power supplyD. They are foolproof

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