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52 Answered Questions for the topic Engineering

Engineering Math Statistics

08/19/20

what statistical questions would you advise to use in the survey for the research?

Situation:You are assigned to be a researcher for a local construction firm. The company is targeting 4 different places to construct subdivisions.

06/10/20

Computer coding

What does this function do? float function(int x) { float result = 0.0; float sign = 1.0  for (int n = 1; n <x;n = n + 2) { result = result + sign / n; } return 4.0 *... more

06/10/20

Float function (computer coding)

What does this function do? float function(int n) { float result = 1.0; float factor = 1.0 + 1.0 / n for (int i = 0; i <n; ++i) { result = result * factor } return... more

Computer coding ex question

Refer to the loop starting at line 003. If the function is called with a 2 digit decimal number, how many times will the while loop execute? 001 unsigned int bitCount (int value) { 002 unsigned... more

06/10/20

Computer coding hw question

What sort of runtime error will occur when this program is run? void countdown () {   int i = 100;     int n = 5;   while (i > 0) { i = i -n; n = n / -1; print (i + n) ; Divide by... more
Engineering Biology Biochemistry

04/14/20

Nanopatterned physical  surface  coating strategy on Ti-based

Plan a nanopatterned physical  surface  coating strategy on Ti-based alloy implant to have the coating thickness is below than 1 micrometer.ii) Explain the working principle of surface modification... more
Engineering Biology Microbiology

04/13/20

cell proliferation and cell differentiation

Explain the relationship between cell proliferation and cell differentiation. What is dedifferentiation? Please give an example ofdedifferentiation issue in cell culture... more

02/11/20

Chemical engineering project

What are some household items that can be used to create plastic polymers? I have this project for school that assigns me to create a polymer made from a chemical reaction but I'm stuck on ideas... more

11/21/19

circular motion question

A 67 gram coin sits on a horizontally rotating turntable. The turntable makes 1.7 revolution each second. The coin is located 10 cm from the axis of rotation of the turntable. The coin will slide... more
Engineering Science Physics

09/27/19

Coefficient of Static Friction Physics Problem

A box that weighs 50 N is pulled by a force of 10 N. The coefficient of static friction between the box and the ground is 0.5. Describe what will happen to the box? Will it start moving? Will it... more
Engineering Science Physics

09/27/19

Moving Elevator Physics Problem

An elevator is suspended by a cable and the elevator weighs 5500 N. The elevator moves upward with an acceleration of 4 m/s2. Find the tension in the supporting cable. * Use 10 m/s2 for the... more

06/23/19

In what year did Charles Proteus Steinmetz fix Ford's Generator for the famed $10,000 invoice?

[Charles Proteus Steinmetz](https://en.wikipedia.org/wiki/Charles_Proteus_Steinmetz) is the protagonist of an interesting tale [about fixing a generator at Ford's... more
Engineering English Vocabulary

05/11/19

What is the origin of the word, "tribology"?

Engineering Physics Study

05/04/19

Can i study m.sc in aeronotics after b.sc in Physics?

Currently I am studying b.sc in physics which doesn't include any course over aeronotics or aeronotical engineering but iam very much egar to study aeronotics,so i want to study aeronotics in... more
Engineering

09/19/18

what's the ratio 15 feet to 1.46 inches

It's for measuring a floor plan print that is dimensioned in inches and plotted out on a F-size paper. when I measure a roll-up door on the floor plan, it measures 1.46 inches even the the... more

03/24/18

you are given a motor operated by a 9V battery....

For all the questions below, you are given a motor operated by a 9V battery. The stall torque for this motor is Ts = 0.04 N-m, and its no-load speed, wnl = 2200 rpm. 1. Draw the torque vs. speed... more
Engineering Maths

01/03/18

How do you know when to use an augmented matrix?

Bit confused please can someone clarify. 
Engineering Maths

01/03/18

When should you use Gauss-Jordan method to find inverse? Does the determinant only tell you whether there is an inverse?

Mathematical engineering. I don't understand lol.
Engineering Air Resistance

11/01/17

Is there such thing as a one way valve that can move pressurised air from one cylinder to another?

I just need the name of the part if it exists or a link would be appreciated 
Engineering

08/17/17

How long will it take to empy the retention pond?

Three pumps are used to empty retention Pond holding an unknown amount of water. If pump 1 can empty the pond in 4 days, pump 2 can empty the pond in 10 days, and Pump 3 can empty the pond and 5... more
Engineering Science Chemistry

07/21/17

Solve chemical reaction for temperature of exothermic reaction (thermite)

Hi there, I I have a question about Physics/ chemistry.If I have a bag of iron oxide(lll) and powdered aluminium in the ratio of 3:1 totalling 72g, with 54g being Fe2O3 and 18g of 2Al, what would... more
Engineering Maths

03/08/17

Maths problem

the resistace R of a wire is directly proportional to its length. If R=40mohms for a wire 10 cm long , find the resistance R in mohms : a) when the length decreases to 6cm b) when the length... more
Engineering Maths

02/04/17

Maths problems

the solar energy falling on one square centimeter of the earth is 1.93 calories per minute.if 1 kW = 239 calories per second , how many kilowatts per square meter fall on the earth?round answer to... more
Engineering Physics Maths

02/04/17

solve the problem

the resisitance of a no.8 copper wire whose cross section is 8.37mm^2 is 2.06 ohms per kilometer.a. what is the resistance in ohms per 1000 ft?b. what is the cross section in square inches?
1 3

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