19_1_2020

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Engineering Fundamentals Quiz

Test your knowledge with our Engineering Fundamentals Quiz! This quiz consists of 10 challenging questions that cover various topics in engineering, mechanics, and thermodynamics.

Participate to enhance your understanding of:

Materials and Mechanics
Heat Transfer Principles
Electrical Components and Circuits
Fluid Dynamics

10 Questions2 MinutesCreated by CalculatingFalcon101

In a Formula Student Track where the number of brake applications is very high, the mechanical engineer of the team is more luckily to use ___________ type as car’s brake fluid.

DOT 3

DOT 2

DOT 4

Strain Energy is

Energy stored in a body when strained within elastic limits

Energy stored in a body when strained upto the breaking of a specimen

Maximum strain energy which can be stored in a body

Proof resilience per unit volume of a material

Which of the following configurations can form an AND Gate?

A NAND Gate with an Inverter in the output

One XOR Gate plus and OR Gate

Switches in parallel configuration

Open collector Comparators

Switches in series

There is steel beam with 120mm breadth and 750mm height.It is loaded as shown in the figure. Consider the properties of steel as given by the FSG Rules 2020 perT.3.2.4 The beam is subjected to a maximum bending moment of :

3375.5 kN

6750.25 kN

4550.5 kN

3656.25 kN

In the following array of bodies the heat transfer coefficient of A is kA=0,17 W/mK , of B is kB=0,038 W/mk and of Γ is kΓ=0,12. The area of the bodies is 350 m^2 and the convection coefficient between A and the air is αin = 30W/m^2K and between Γ and the air is αout=60W/m^2K. If θin=20 C and θout=-15 C, what are the heat losses?

Q= 4213,866 W

Q= 4,3 KW

Q=3856,734 W

Q=3,8 KW

With rising percentage content of carbon in steel the following properties change accordingly:

Becomes more ductile

Is easier to cast

Reduces joinability

Has great hardness when tempered

A F-16 viper is cruising with a speed of 2173 km/h, while it’s engines impulse is 127kN. The air density is 1,225 kg/m^3 and its wing area is 27.87m^2. What is the coefficient of drag of the aircraft. Consider the flow to be incompressible.

0,0345

2,789 10^-2

2,042 10^-2

0,0196

Two bodies with masses m = 1kg, M = 10kg, are place on a horizontal plane as shown above. A force F = 0.2t (S.I.) is applied to body M. The coefficient of static friction is μs = 0.2 and the coefficient of dynamic friction is μk = 0.15, between all surfaces. The two bodies are moving at different speeds at:

A capacitor is connected to a source and gets charged. The potential at plate A is 50V and at plate B is -50V. If we disconnect the capacitor from the source and connect only plate B to ground, which of the following are true:

The charge of the capacitor remains constant.

The voltage across the capacitor changes.

The voltage across the capacitor does not change.

The capacitance changes.

The potentials at each plate of the capacitor remain the same.

I’ d rather not say.

19_1_2020

Engineering Fundamentals Quiz

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