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MCQOPTIONS
This section includes 2670 Mcqs, each offering curated multiple-choice questions to sharpen your Railways knowledge and support exam preparation. Choose a topic below to get started.
| 2301. |
In a psychrometric process, the sensible heat added is 30 kJ/sec and the latent heat added is 20 kJ/sec. The sensible heat factor for the process will be: |
| A. | 0.3 |
| B. | 0.5 |
| C. | 0.67 |
| D. | 1.5 |
| Answer» C. 0.67 | |
| 2302. |
In a spray washing system if the temperature of water is higher than the dry temperature of entering air, than the air is: |
| A. | Heated and dehumidified |
| B. | Heated and humidified |
| C. | Cooled and humidified |
| D. | Cooled and dehumidified |
| Answer» C. Cooled and humidified | |
| 2303. |
In the case of sensible cooling of air, the coil efficiency is given by: (BPF = Bypass factor) |
| A. | \[BPF-1\] |
| B. | \[1-BPF\] |
| C. | \[\frac{1}{BPF}\] |
| D. | \[1+BPF\] |
| Answer» C. \[\frac{1}{BPF}\] | |
| 2304. |
The coefficient of performance of heat pump \[[{{(COP)}_{HP}}]\] and that refrigerator \[[{{(COP)}_{R}}]\] |
| A. | \[{{(COP)}_{HP\,}}\,\,=\,\,{{(COP)}_{R}}\,+1\] |
| B. | \[{{(COP)}_{HP\,}}/{{(COP)}_{R}}\,1\] |
| C. | \[{{(COP)}_{HP\,}}\,\,=\,\,{{(COP)}_{R}}\,-\,1\] |
| D. | \[{{(COP)}_{HP\,}}\,\,<\,\,{{(COP)}_{R}}\] |
| Answer» B. \[{{(COP)}_{HP\,}}/{{(COP)}_{R}}\,1\] | |
| 2305. |
Which of the following statements are true for Ammonia as a refrigerant? 1. It has higher compressor discharge temperature compared to fluororarbons. 2. It is toxic to mucous membranes. 3. It requires larger displacement per TR compared to fluorocarbons. 4. It reacts with copper and its alloys. Select the correct answer using the codes given below: |
| A. | 1 and 2 |
| B. | 1, 2 and 3 |
| C. | 1, 2 and 4 |
| D. | 2, 3 and 4 |
| Answer» D. 2, 3 and 4 | |
| 2306. |
A good refrigerant should have: |
| A. | High latent heat of vaporization and low freezing point |
| B. | High operating pressure and low freezing point |
| C. | High specific volume and high latent heat of vaporization. |
| D. | Low COP and low freezing point. |
| Answer» B. High operating pressure and low freezing point | |
| 2307. |
Chief civilian application of radar has been for....... navigation. |
| A. | marine |
| B. | air |
| C. | both [a] and [b] |
| D. | none of these |
| Answer» D. none of these | |
| 2308. |
Radar has vastly increased out knowledge of meteorology, aurora, meteors, and other objects of the |
| A. | sciences |
| B. | world |
| C. | solar system |
| D. | none of these |
| Answer» D. none of these | |
| 2309. |
In radio receiver's tube EM84 is used as |
| A. | audio amplifier |
| B. | magic eye |
| C. | both [a] and [b] |
| D. | none of these |
| Answer» B. magic eye | |
| 2310. |
In foul weather, radar is used with Ground Controlled Approach (GCA) System to guide aircrafts |
| A. | to a safe landing |
| B. | in any direction |
| C. | to fly in the sky |
| D. | none of the above |
| Answer» B. in any direction | |
| 2311. |
Air-traffic control radar monitors are installed |
| A. | in vicinity of airports |
| B. | enrooted between air terminals |
| C. | both [a] and [b] |
| D. | none of these |
| Answer» D. none of these | |
| 2312. |
If the image frequency is 2010 kHz, the frequency must be |
| A. | 1350 kHz |
| B. | 1500 kHz |
| C. | 1700 kHz |
| D. | none of these |
| Answer» E. | |
| 2313. |
The output of a diode detector does not contain |
| A. | output signal |
| B. | modulating signal |
| C. | both [a] and [b] |
| D. | none of these |
| Answer» B. modulating signal | |
| 2314. |
In troposcatter which of the following antenna is preferred? |
| A. | Parabolic antenna |
| B. | Lens antenna |
| C. | Both [a] and [b] |
| D. | None of these |
| Answer» B. Lens antenna | |
| 2315. |
Which one of the following tolerances set on inner diameter and outer diameter respectively of headed jig bush for press fit is correct? |
| A. | G7h6 |
| B. | F7h6 |
| C. | H7h6 |
| D. | F7J6 |
| Answer» D. F7J6 | |
| 2316. |
The characteristic life-cycle of a product consists of four periods. The rate of consumption increases rapidly at the beginning of the: |
| A. | Incubation period |
| B. | growth period |
| C. | Maturity period |
| D. | decline period |
| Answer» C. Maturity period | |
| 2317. |
Which of the following are the benefits of assembly line balancing? 1. It minimises the in-process inventory 2. It reduces the work content 3. It smoothens the production flow 4. It maintains the required rate of output Select the correct answer using the codes given below: Codes: |
| A. | 1, 2 and 3 |
| B. | 2, 3 and 4 |
| C. | 1, 3 and 4 |
| D. | 1, 2 and 4 |
| Answer» D. 1, 2 and 4 | |
| 2318. |
Based on the given graph figure, the economic range of batch sizes to be preferred for general purpose machine (GP). NC machine (NC) and special purpose (SP) will be: Codes: |
| A. | GP\[\to \]2, NC\[\to \]5, SP\[\to \]4 |
| B. | GP\[\to \]1, NC\[\to \]4, SP\[\to \]5 |
| C. | GP\[\to \]3, NC\[\to \]2, SP\[\to \]4 |
| D. | GP\[\to \]1, NC\[\to \]4, SP\[\to \]2 |
| Answer» C. GP\[\to \]3, NC\[\to \]2, SP\[\to \]4 | |
| 2319. |
Consider the data given in the following table: Prod-duction plan Period Demand Regular Prod. Overtime Prod. Others 1 500 500 ? ? 2 650 650 150 ? 3 800 650 150 ? 4 900 650 150 7 Give the fact that production in regular and overtime is limited to 650 and 150 respectively, the balance demand of 100 units in the 4th period can be met by: |
| A. | Using overtime in period 2 |
| B. | Using regular production in period 1 |
| C. | Subcontracting |
| D. | Using any of the steps indicated in A, B and C |
| Answer» E. | |
| 2320. |
A production line is said to be balanced when: |
| A. | There are equal number of machines at each work station |
| B. | There are equal number of operators at each work station |
| C. | The waiting time for service at each station is the same |
| D. | The operation time at each station is the same. |
| Answer» E. | |
| 2321. |
Which of the following are the principles of material handling? 1. Keep all handling to the minimum 2. Move as few pieces as possible in one unit 3. Move the heaviest weight to the least distance 4. Select only efficient handling equipment Select the correct answer using the codes given below: |
| A. | 1, 2, 3 and 4 |
| B. | 1, 3 and 4 |
| C. | 1, 2 and 3 |
| D. | 2 and 4 |
| Answer» C. 1, 2 and 3 | |
| 2322. |
Match List-I (type of Products) with. List-II (type of layout) and select the correct answer. List-I List-II A. Ball Bearings 1. Process Layout. B. Tools and Gauges 2. Product Layout C Large Boilers 3. Combination of Product and Process layout D. Motor cycle assembly 4. Fixed Position Layout. Codes: |
| A. | A\[\to \]1, B\[\to \]3, C\[\to \]4, D\[\to \]2 |
| B. | A\[\to \]3, B\[\to \]1, C\[\to \]4, D\[\to \]2 |
| C. | A\[\to \]1, B\[\to \]2, C\[\to \]4, D\[\to \]3 |
| D. | A\[\to \]3, B\[\to \]1, C\[\to \]2, D\[\to \]4 |
| Answer» D. A\[\to \]3, B\[\to \]1, C\[\to \]2, D\[\to \]4 | |
| 2323. |
The routing function in a production system design is concerned with: |
| A. | Manpower utilization |
| B. | Machine un-utilization |
| C. | Quality assurance of the product |
| D. | Optimising material flow through the plan |
| Answer» C. Quality assurance of the product | |
| 2324. |
Which one of the following software packages is used for plant layout? |
| A. | SIMSCRIPT |
| B. | DYNAMO |
| C. | CRAFT |
| D. | MRP |
| Answer» D. MRP | |
| 2325. |
Which of the following factors are to be considered for production scheduling? 1. Sales forecast 2. Component design 3. Route sheet 4. Time standards Select the correct answer using the codes given below: Codes: |
| A. | 1, 2 and 3 |
| B. | 1, 2 and 4 |
| C. | 1, 3 and 4 |
| D. | 2, 3 and 4 |
| Answer» E. | |
| 2326. |
A device for lifting or lowering objects suspended from a hook at the end of a retractable chain or cable is called: |
| A. | Hoist |
| B. | Jib crane |
| C. | Chain conveyor |
| D. | Elevator |
| Answer» B. Jib crane | |
| 2327. |
A device used for lifting of lowering objects suspended from a hook at the end of retractable chains or cable is called: |
| A. | Hoist |
| B. | jib crane |
| C. | Portable elevator |
| D. | chain conveyor |
| Answer» B. jib crane | |
| 2328. |
Match List-I with List-II and select the correct answer using the codes given below the lists: List-I (Products) List-II (Factors for site selection) A. Aluminium 1. Transporation Cost B. Photographic Material 2. Skilled Labour C. Cement 3. Abundance of power D. Jigs and Fixtures 4. Climatic Conditions Codes: |
| A. | A\[\to \]2, B\[\to \]4, C\[\to \]1, D\[\to \]3 |
| B. | A\[\to \]3, B\[\to \]4, C\[\to \]1, D\[\to \]2 |
| C. | A\[\to \]1, B\[\to \]2, C\[\to \]4, D\[\to \]3 |
| D. | A\[\to \]4, B\[\to \]3, C\[\to \]1, D\[\to \]2 |
| Answer» D. A\[\to \]4, B\[\to \]3, C\[\to \]1, D\[\to \]2 | |
| 2329. |
Consider the following situations that would warrant a study of the layout: 1. Change in the work force 2. Change in production volume 3. Change in product design 4. Competition in the market The situation (s) that would lead to a change in the layout-would include: |
| A. | 1, 2, 3 and 4 |
| B. | 1, 3 and 4 |
| C. | 3 alone |
| D. | 2 alone |
| Answer» D. 2 alone | |
| 2330. |
Match List-1 with List-II and select the correct answer using the code given below the lists: List-I (Contribution) List-II (Contributor) A. Specialization of Labour in Manufacturing 1. Henry Gantt B. Scheduling techniques 2. George Dantzig C. Linear Programming 3. Adam Smith D. Quality and Productivity Applications from Japan 4. W.E. Deming Codes: |
| A. | A\[\to \]3, B\[\to \]4, C\[\to \]2, D\[\to \]1 |
| B. | A\[\to \]2, B\[\to \]1, C\[\to \]3, D\[\to \]4 |
| C. | A\[\to \]4, B\[\to \]3, C\[\to \]1, D\[\to \]2 |
| D. | A\[\to \]2, B\[\to \]4, C\[\to \]3, D\[\to \]4 |
| Answer» D. A\[\to \]2, B\[\to \]4, C\[\to \]3, D\[\to \]4 | |
| 2331. |
61. A dealer sells a radio set at Rs. 900 and makes 80% profit on his investment. It he can sell it at Rs. 200 more, his profit as percentage of investment will be; |
| A. | 160 |
| B. | 180 |
| C. | 100 |
| D. | 120 |
| Answer» E. | |
| 2332. |
Which one of the following correctly explains process capability? |
| A. | Maximum capacity of the machine |
| B. | Mean value of the measured variable |
| C. | Lead time of the process |
| D. | Maximum deviation of the measured variables of the components |
| Answer» E. | |
| 2333. |
A piece of equipment has been purchased by the city for Rs. 10,000 with an anticipated salvage at Rs. 500 after 8 years. Which of the depreciation models will yield the greatest reduction in the book value of the equipment? |
| A. | Straight line depreciation |
| B. | Sum-of-years digits depreciation |
| C. | Declining balance depreciation |
| D. | Declining balance depreciation is switched to straight line. |
| Answer» E. | |
| 2334. |
The minimum attractive rate return is different for various types of projects. All of the following factors will affect the minimum attractive rate of return for a new project except: |
| A. | The amount of capital that is available in the retained earnings |
| B. | The interest paid on capital, which is obtained through debt financing |
| C. | The rates used be the lending institutions or other firms |
| D. | None of the above. |
| Answer» E. | |
| 2335. |
Which grade symbol represents surface roughness of broaching? |
| A. | \[{{N}_{12}}\] |
| B. | \[{{N}_{3}}\] |
| C. | \[{{N}_{4}}\] |
| D. | \[{{N}_{1}}\] |
| Answer» C. \[{{N}_{4}}\] | |
| 2336. |
Consider the following statements in respect of operations planning: 1. Aggregate planning addresses the supply side of the firm's ability to meet the demand 2. The purpose of Master Productions Scheduling (MPS) is to meet the demand for individual products in the product group Which of the statements given above s/are correct? |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | neither 1 nor 2 |
| Answer» D. neither 1 nor 2 | |
| 2337. |
Consider the following steps in a line balancing problem: 1. Apply an assignment heuristic to assign tasks to each work station 2. Identify the precedence requirements 3. Calculate the required minimum number of work stations. Which one of the following is the correct sequence of the above steps? |
| A. | \[2-3-1\] |
| B. | \[1-2-3\] |
| C. | \[2-1-3\] |
| D. | \[1-3-2\] |
| Answer» D. \[1-3-2\] | |
| 2338. |
Motions of limbs are through 1. Elbow 2. Finger 3. Hip 4. Shoulder 5. Wrist. What is the correct sequence in descending order of motion in terms of time and fatigue involved? |
| A. | \[3\,-\,4\,-\,1\,-\,5\,-\,2\] |
| B. | \[2\,-\,5\,-\,1\,-\,4\,-\,3\] |
| C. | \[5\,-\,2\,-\,3\,-\,1\,-\,4\] |
| D. | \[4\,-\,3\,-\,2\,-\,1\,-\,5\] |
| Answer» C. \[5\,-\,2\,-\,3\,-\,1\,-\,4\] | |
| 2339. |
A factory producing 150 electric bulbs a day, involves direct material cost of Rs. 250, direct labour cost of Rs. 200 and factory overheads of Rs. 225. Assuming a profit of 10% of the selling price, and selling on-cost 30% of the factory cost, what is the selling price of one electric bulb? |
| A. | Rs. 6.50 |
| B. | Rs. 12.50 |
| C. | Rs. 18.50 |
| D. | Rs. 21.00 |
| Answer» B. Rs. 12.50 | |
| 2340. |
The layout of ship-building industry should be: |
| A. | Process layout |
| B. | Group layout |
| C. | Fixed location layout |
| D. | Product layout |
| Answer» D. Product layout | |
| 2341. |
A work shift is for 8 hours duration; 30 minutes lunch break and two 15 minutes (each) tea breaks are allowed per shift. If products are to go out after assembly at the rate of 60 per shift, and total assembly time content for a product is 42 minutes, then minimum number of work stations needed is: |
| A. | 8 |
| B. | 12 |
| C. | 6 |
| D. | 5 |
| Answer» D. 5 | |
| 2342. |
Which of the following are needed as the input data for materials requirement planning? 1. Weekly production schedule 2. Bill of material 3. Supplier lead time 4. Market forecast. Select the correct answer using the code given below: |
| A. | 1, 2 and 3 |
| B. | 2, 3, and 4 |
| C. | 1 and 4 |
| D. | 1, 2, 3 and 4 |
| Answer» E. | |
| 2343. |
Which of the following are the objectives of scheduling? 1. Reducing average waiting time of a batch 2. To meet the deadline of order fulfillment 3. To improve quality of products 4. To increase facility utilization Select the correct answer using the code given below: |
| A. | 1, 2 and 4 |
| B. | 2, 3 and 4 |
| C. | 1, 2 and 3 |
| D. | 1 and 3 only |
| Answer» B. 2, 3 and 4 | |
| 2344. |
In a low volume production, the dispatching function is not concerned with issuing of which one of the following? |
| A. | Work tickets |
| B. | Requisition of raw materials, parts and components |
| C. | Route sheets to production supervisor |
| D. | Requisition of tools and facilities |
| Answer» C. Route sheets to production supervisor | |
| 2345. |
Which one of the following systems combines microelectronics and, mechanical engine to bring economics of scale to batch production? |
| A. | Job-shop production |
| B. | Group technology |
| C. | Flexible manufacturing |
| D. | Production. |
| Answer» D. Production. | |
| 2346. |
Match List-I (Material to be Handled) with List-II (Appropriate Material Handling Equipment) and select the correct answer using the code given below the lists: List-I (Material to Handled) List-II (Appropriate be Material Handling Equipment) A. Large Castings 1. Screw Conveyor B. Granular Material 2. Belt Conveyor C. Auto Engine Block 3. Overhead Crane D. Small Engine Parts 4. Roller Conveyor Codes: |
| A. | A\[\to \]2, B\[\to \]1, C\[\to \]4, D\[\to \]3 |
| B. | A\[\to \]3, B\[\to \]4, C\[\to \]1, D\[\to \]2 |
| C. | A\[\to \]2, B\[\to \]4, C\[\to \]1, D\[\to \]3 |
| D. | A\[\to \]3, B\[\to \]1, C\[\to \]4, D\[\to \]2 |
| Answer» E. | |
| 2347. |
Which one of the following is the bask objective of a good plant layout? |
| A. | New plant construction |
| B. | Better use of labour |
| C. | Improvement in production process as a whole |
| D. | To meet customer's expectations. |
| Answer» D. To meet customer's expectations. | |
| 2348. |
Which one of the following factors does not affect the plant location decision: |
| A. | Organization's objectives |
| B. | Resources |
| C. | Socio-economic environment |
| D. | Organizational structure. |
| Answer» E. | |
| 2349. |
Which one of the following is not an advantage of a product layout? |
| A. | Reduced martial handling |
| B. | Better utilization of machines and men |
| C. | Less floor area is occupied by the material in transit and for temporary storage |
| D. | Less capital investment. |
| Answer» E. | |
| 2350. |
If the objective is to project the trend and seasonal variations in forecasting demand, then which is the appropriate model? |
| A. | Simple moving average |
| B. | Time series decomposition |
| C. | Weighted moving average |
| D. | Double exponential smoothing. |
| Answer» D. Double exponential smoothing. | |