## GATE Mechanical Engineering Online Test Series 1, GATE ME Test

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GATE Mechanical Engineering Online Test Series 1, GATE ME Online Test 2019. GATE 2019 Online Test, GATE Mechanical Engineering Full online mock test paper is free for all students. GATE 2019 ME online Test 2019 Series 1 in English. GATE Mechanical Engineering Full online mock test paper is free for all students. Take GATE 2019 Mock Test in English from below, GATE Quiz 2019 Series 1. You may also find other Subjects GATE Online Test in this page. Here we provide Graduate Aptitude Test in Engineering Question and Answers 2019. This GATE ME Online test Series 1 is very helpful for exam preparation. The GATE Mechanical Engineering Mock Test 2019 is now available for all candidates, who will be appearing in the national level engineering exams 2019. Now take GATE Mechanical Engineering Online Test Series 1 by Click on Below “**Start Quiz Button**”

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- Question 1 of 25
##### 1. Question

If f (x) = |x|, then

CorrectIncorrect - Question 2 of 25
##### 2. Question

If y = log (x + √1+ x

^{2}), then (1 + x)^{2 }is equal toCorrect

Incorrect

- Question 3 of 25
##### 3. Question

Given that u = e

^{xyz}_{. }The is equal toCorrectIncorrect - Question 4 of 25
##### 4. Question

For the truss shown in the figure, the zero force members are

CorrectConsider joint D, for the truss shown in the figure. We assume force F

_{1}in member DC, F_{2}in member DA and F_{3}in member DF. This joint is unloaded and the forces F_{2}and F_{3}are collinear. So, F_{1}must be zero. Similarly, forces in the members EF and HG are zero.IncorrectConsider joint D, for the truss shown in the figure. We assume force F

_{1}in member DC, F_{2}in member DA and F_{3}in member DF. This joint is unloaded and the forces F_{2}and F_{3}are collinear. So, F_{1}must be zero. Similarly, forces in the members EF and HG are zero. - Question 5 of 25
##### 5. Question

If shaft made from ductile material is subjected to combined bending and twisting moments. Which one of the following failure theories would give the most conservative value?

CorrectMost consecutive value means safest design i.e. largest diameter. For ductile material, maximum shear stresses of theory gives higher value of diameter.

IncorrectMost consecutive value means safest design i.e. largest diameter. For ductile material, maximum shear stresses of theory gives higher value of diameter.

- Question 6 of 25
##### 6. Question

Match List I with List II and select the correct answer using the codes given below the lists:

**List – I****List – II**a. Interference 1. Arc of approach, arc of recess, circular pitch b. Dynamic load on tooth 2. Lewis equation c. Static load 3. Minimum number of teeth on pinion d. Contact ratio 4. Inaccuracies in tooth profile CorrectIncorrect - Question 7 of 25
##### 7. Question

Match List I (Fluid properties) with List II (Relate terms) and select the correct answer using the codes given below the lists:

**List – I****List – II**a. Capillarity 1. Cavitation b. Vapour pressure 2. Density of water c. Viscosity 3. Shear stress d. Specific gravity 4. Surface tension CorrectCapillarity—————–> Surface tension Vapour pressure————–> cavitation

Viscosity———————> Shear stress Specific gravity—————> Density of waterIncorrectCapillarity—————–> Surface tension Vapour pressure————–> cavitation

Viscosity———————> Shear stress Specific gravity—————> Density of water - Question 8 of 25
##### 8. Question

The heat conduction equation in a medium is given in its simplest form as Select the wrong statement below.

CorrectIncorrect - Question 9 of 25
##### 9. Question

The _______ number is a significant dimensionless parameter for forced parameter convection and the _______ number is a significant dimensionless for natural convection.

CorrectThe Reynolds number is a significant dimensionless parameter for forced parameter convection and the Grashof number is a significant dimensionless of natural convection.

IncorrectThe Reynolds number is a significant dimensionless parameter for forced parameter convection and the Grashof number is a significant dimensionless of natural convection.

- Question 10 of 25
##### 10. Question

The marking on a grinding wheel is `51 A 36 L 5 V 93`. The code `36` represents the

CorrectIncorrect - Question 11 of 25
##### 11. Question

To reduce consumption of synthetic resins, the ingredient added is

CorrectTo reduce the consumption of synthetic resins, the ingredient added is filler. Because of their low cost, fillers are important in reducing the overall cost of polymers. Fillers may also improve the strength, hardness, toughness, abrasive resistance, dimensional stability, etc.

IncorrectTo reduce the consumption of synthetic resins, the ingredient added is filler. Because of their low cost, fillers are important in reducing the overall cost of polymers. Fillers may also improve the strength, hardness, toughness, abrasive resistance, dimensional stability, etc.

- Question 12 of 25
##### 12. Question

The compositions of some of the alloy steels are as under:

1. 18W 4Cr 1V 2. 12Mo 1W 4Cr 1V

3. 6Mo 6W 4Cr 1V 4. 18W 8Cr 1V

The compositions of commonly used high speed steels would includeCorrectThe composition of commonly used high speed steels include 18W 4Cr 1V and 18W 8Cr 1V

IncorrectThe composition of commonly used high speed steels include 18W 4Cr 1V and 18W 8Cr 1V

- Question 13 of 25
##### 13. Question

Major operations in the manufacture of steel balls used for Ball bearings are given below:

1. oil lapping 2. cold heading 3. Annealing 4. Hardening 5. Rough grinding

The correct sequence of these operations isCorrectThe correct sequence of these operations is

1. Cold heading 2. Annealing 3. Hardening 4. Rough grinding 5. Oil lappingIncorrectThe correct sequence of these operations is

1. Cold heading 2. Annealing 3. Hardening 4. Rough grinding 5. Oil lapping - Question 14 of 25
##### 14. Question

Chills are used in moulds to

CorrectA chill is an object used to promote solidification in a specific portion of a metal casting mould. Normally the metal in the mould cools at a certain rate relative to thickness of casting. When the geometry of the moulding cavity prevents directional solidification from occurring naturally, a chill can be placed to help promote it.

IncorrectA chill is an object used to promote solidification in a specific portion of a metal casting mould. Normally the metal in the mould cools at a certain rate relative to thickness of casting. When the geometry of the moulding cavity prevents directional solidification from occurring naturally, a chill can be placed to help promote it.

- Question 15 of 25
##### 15. Question

Carburised machine components have higher endurance limit, because carburization

CorrectCarburizing or Carburization is a heat treatment process by which carbon is introduced into a metal.

Carburization can be used to increase the surface hardness of low carbon steal. Because of carburization a compressive layer is produced on the surface which increase the hardness of the metal.IncorrectCarburizing or Carburization is a heat treatment process by which carbon is introduced into a metal.

Carburization can be used to increase the surface hardness of low carbon steal. Because of carburization a compressive layer is produced on the surface which increase the hardness of the metal. - Question 16 of 25
##### 16. Question

At 100% relative humidity, the wet bulb temperature is

CorrectIncorrect - Question 17 of 25
##### 17. Question

The thermodynamic parameters are

1. Temperature 2. Specific volume

3. Pressure 4. Enthalpy 5. Entropy

The Clapeyron Equation of state provides relationship betweenCorrectThe clapeyron equation dP/dT = entropy change/volume change This equation states that the slope of an univariant equilibrium plotted on a P-T diagram is equal to the entropy change of the reaction divided by the volume change of the reaction.

IncorrectThe clapeyron equation dP/dT = entropy change/volume change This equation states that the slope of an univariant equilibrium plotted on a P-T diagram is equal to the entropy change of the reaction divided by the volume change of the reaction.

- Question 18 of 25
##### 18. Question

Gibb`s free energy G is defined as

CorrectIncorrect - Question 19 of 25
##### 19. Question

The solution in a transportation model (of dimension m x n) is said to be degenerate if it has

CorrectIn a TP, if the number of non-negative independent allocations is less than m + n – 1, there exists degeneracy.

IncorrectIn a TP, if the number of non-negative independent allocations is less than m + n – 1, there exists degeneracy.

- Question 20 of 25
##### 20. Question

The management is interested to know the percentage of idle time of equipment. The trial study showed that percentage of idle time would he 20%. The number of random observations necessary for 95% level of confidence and +5% accuracy is

CorrectIncorrect - Question 21 of 25
##### 21. Question

The series 1 + 2 + 3 + ……. + n +…. is

CorrectIncorrect - Question 22 of 25
##### 22. Question

If V is a differentiable vector function and f is a sufficient differentiable scalar function, then curl (fV) is equal to

CorrectIncorrect - Question 23 of 25
##### 23. Question

If r = xi + yj + zk is the position vector of point P (x, y, z) and r = |r| then ∇. r

^{n}r is equal toCorrectIncorrect - Question 24 of 25
##### 24. Question

A side and face cutter of 127 mm diameter has 10 teeth. It operates at a cutting speed of 13.5 in/mm and table feed of 108 mm/mm. The maximum chip thickness for a cutting depth of 5 mm, is

CorrectIncorrect - Question 25 of 25
##### 25. Question

The principal cutting edge is 75°, while the auxiliary (end) cutting edge is 8°. Assume 6° clearance angle, inclination angle as – 5°, and the shank as 30 x 30 mm. What will be the side rake and back rake?

CorrectIncorrect