SSC JE Important Questions: Subject-wise Questions for Junior Engineer Exam

The Staff Selection Commission is all set to conduct the SSC JE Exam from June 5 to 7. This highly competitive exam is being held to fill 968 vacancies for Junior Engineer posts. With lakhs of candidates expected to appear, success in the exam depends on adopting a strategic approach that focuses on understanding key topics and solving SSC JE important questions frequently asked in previous exams. To aid candidates in their preparation, we've compiled a list of important questions for SSC JE 2024 exam that can be asked in the exam.

Also, read:

• SSC JE Syllabus
• SSC JE Salary

SSC JE 2024 Important Questions

Familiarizing yourself with the important questions for SSC JE 2024 exam will give you a competitive edge. It's important to note that the commission frequently repeats questions from SSC JE previous year papers with slight modifications. Listed below are some important SSC JE questions for Civil, Electrical and Mechanical Engineering that you may encounter in the exam.

Also, read:

SSC JE Civil Important Questions

Question 1: Which of the following numbers will replace the question mark (?) in the given series?

17, 57, 22, 52, ?, 47

Options:

1. 23
2. 49
3. 51
4. 27

Answer: 4. 27

Question 2: Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.

8 * 2 * 2 * 2 * 2 = 8

Options:

1. ÷ + − ×
2. ÷ − + ×
3. × + − ÷
4. × ÷ + −

Answer: 4. × ÷ + −

Question 3: Which letter-cluster will replace the question mark (?) to complete the given series?

FDQE, KJXM, PPEU, ?, ZBSK

Options:

1. VULC
2. VUKB
3. UVLC
4. VULB

Answer: 3. UVLC

Question 4: Select the option that represents the correct order of the given words as they would appear in an English dictionary.

1. Adequate
2. Aphorism
3. Amplify
4. Aphrodite
5. Amorphous
6. Adamant

Options:

1. 6, 3, 1, 5, 4, 2
2. 6, 1, 3, 2, 5, 4
3. 6, 1, 3, 5, 2, 4
4. 6, 1, 5, 3, 2, 4

Answer: 4. 6, 1, 5, 3, 2, 4

Question 5: The term 'kick off' is related to which of the following games?

Options:

1. Football
2. Hockey
3. Cricket
4. Badminton

Answer: 1. Football

Question 6: Which of the following methods is used to calculate average precipitation over a catchment area?

Options:

1. Isochrone method
2. Isopleth method
3. Iso-erodent method
4. Isohyetal method

Answer: 4. Isohyetal method

Question 7: The method that measures changes in the price of inputs to the construction process by monitoring separately the cost of each factor is called as:

Options:

1. Rational indices
2. Seller's indices
3. Output indicies
4. Input indicies

Answer: 4. Input indicies

Question 8: In structural steel construction, the distance between centre of fasteners shall not be less than X times the nominal diameter of the fastener, where X is:

Options:

1. 2.5
2. 2.0
3. 3.0
4. 1.5

Answer: 1. 2.5

Question 9: The machines which transform a power input into a hydraulic power output are:

Options:

1. Pumps
2. Turbines
3. Jets
4. Dams

Answer: 1. Pumps

Question 10: The RL of a point is 120 m and elevation of the instrument is 1 m. If a countour line of 119 m is to be plotted, the reading on the stagg should be:

Options:

1. 2 m
2. 1 m
3. 1.5 m
4. 0 m

Answer: 1. 2 m

SSC JE Electrical Important Questions

Question 1: Which of the following constitutes a valid reason for rejecting the lowest bid?

Options:

1. All of the options
2. Unreasonable compensation is received
3. Bidder has not signed
4. Lack of sufficient opposition

Answer: 1. All of the options

Question 2:  A heater of resistance 300Ω is connected to the main supply for 10 minutes. If the heat produced in the heater during this time is 18 J, then find the current through it.

Options:

1. 10A
2. 0.01A
3. 0.10 A
4. 100 A

Answer: 2. 0.01A

Question 3: What is the purpose of cost estimation?

Options:

1. To predict project expenses
2. To allocate human resources
3. To determine project timelines
4. To assess project risks

Answer: 1. To predict project expenses

Question 4: The method of creating uniform electrostatic stress in the dielectric of underground cables is known as ______ of cables.

Options:

1. grading
2. laying
3. armouring
4. jointing

Answer: 1. grading

Question 5: Which type of generator is used in a large wind power plant?

Options:

1. Slip ring motor
2. Three phase alternator
3. DC generator
4. Induction generator

Answer: 4. Induction generator

Question 6: Which of the following quantities can be changed to control the speed of the brushless DC motor?

Options:

1. Wind direction
2. Wind pressure
3. Applied DC source voltage
4. Temperature

Answer: 3. Applied DC source voltage

Question 7: Choose the correct alternative regarding Neon Lamps.

Options:

1. The power factor of the neon tube is higher.
2. The neon lamp consists of neon and argon gas.
3. The neon lamp normally emits green colour.
4. If helium gas is used instead of neon, a greenish red colour is obtained.

Answer: 2. The neon lamp consists of neon and argon gas.

Question 8: In electrical applications, electric geyser coils are made up of a _________.

Options:

1. high-inductance metal
2. high-resistance metal
3. low-resistance metal
4. low-inductance metal

Answer: 2. high-resistance metal

Question 9: In a transformer, the variation of which quantity leads to induce an EMF?

Options:

1. Frequency
2. Current
3. Voltage
4. Magnetic flux

Answer: 4. Magnetic flux

Question 10: The bundled conductors can be formed from two or more stranded conductors, bundled together to increase the _________.

Options:

1. line inductance
2. current carrying capacity
3. communication line interference
4. copper losses

Answer: 2. current carrying capacity

SSC JE Mechanical Important Questions

Question 1: The function of piston rings in internal combustion engines is also to:

Options:

1. Dissipate heat to cylinder walls
2. Cool the cylinder
3. Increase the speed
4. Prevent pistons from corrosion

Answer: 1. Dissipate heat to cylinder walls

Question 2: In spur gears, the circle on which the involute is generated is called:

Options:

1. Base Circle
2. Pitch Circle
3. Clearance Angle
4. Addendum Cirlce

Answer: 1. Base Circle

Question 3: If a stream function satisfied the Laplace equation, it is a possible case of fluid flow which is

Options:

1. Rotational
2. Turbulent
3. Irrotational
4. Unseady

Answer: 3. Irrotational

Question 4: Which of the following is not an assuption of Bernoulli's equation?

Options:

1. Flow is compressible
2. Flow is steady
3. Flow is irrotational
4. Flow is ideal

Answer: 1. Flow is compressible

Question 5: Energy of a system is defined as:

Options:

1. Path function and intensive property
2. Path Function and extensive property
3. Point function and intensive property
4. Point function and extensive property

Answer: 4. Point function and extensive property