MCQOPTIONS
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MCQOPTIONS
This section includes 112 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An item can be purchased for Rs.100. The ordering cost is Rs.200 and the inventory carrying cost is 10% of the item cost per annum. If the annual demand is 4000 units, the economic ordering quantity is |
| A. | 50 |
| B. | 100 |
| C. | 200 |
| D. | 400 |
| Answer» E. | |
| 2. |
ABC inventory control focuses on those |
| A. | Items not readily available |
| B. | Items which consume less money |
| C. | Items which have more demand |
| D. | Items which consume more money |
| Answer» E. | |
| 3. |
A component can be produced by any of the four processes I, II, III and IV. Process I has a fixed cost of Rs 20 and variable cost of Rs 3 per piece. Process II has a fixed cost of Rs 50 and variable cost of Re 1 per piece. Process III has a fixed cost of Rs 40 and variable cost of Rs 2 per piece. Process IV has a fixed cost of Rs 10 and variable cost of Rs 4 per piece. If the company wishes to produce 100 pieces of the component, from economic point of view it should choose |
| A. | Process I |
| B. | Process II |
| C. | Process III |
| D. | Process IV |
| Answer» C. Process III | |
| 4. |
In case of break-even analysis, a change in product mix is likely to influence |
| A. | profits |
| B. | break-even point |
| C. | contribution |
| D. | all of the above |
| Answer» B. break-even point | |
| 5. |
Johnson's rule is used for |
| A. | Sequencing problem |
| B. | Assignment problem |
| C. | Aggregate planning |
| D. | Scheduling |
| Answer» B. Assignment problem | |
| 6. |
In the ABC classification system of inventory management, _____ group items have a low level of safety stock. |
| A. | A |
| B. | B |
| C. | C |
| D. | Any of these |
| Answer» B. B | |
| 7. |
Pallet is an example for which operating principle of material handling plan? |
| A. | Flow principle |
| B. | Gravity principle |
| C. | Space utilization principle |
| D. | Unit load principle |
| Answer» E. | |
| 8. |
In motion study, the Therblig symbol represents: |
| A. | find |
| B. | search |
| C. | assembly |
| D. | inspect |
| Answer» B. search | |
| 9. |
At break even point slope of sales line is equal to |
| A. | \(\frac{{Variable~Expenses\;+\;Constant~Expenses}}{{Total~Sales}}\) |
| B. | \(\frac{{Total~Sales}}{{Total~Expenses}}\) |
| C. | \(\frac{{Total~Sales\;-\;Profit}}{{Variable~Expenses\;+\;Profit}}\) |
| D. | \(\frac{{Variable~Expenses\;-\;Constant~Expenses}}{{Total~Sales}}\) |
| Answer» B. \(\frac{{Total~Sales}}{{Total~Expenses}}\) | |
| 10. |
Annual demand for window frames is 10000. Each frame costs Rs. 200 and ordering cost is Rs. 300 per order. Inventory holding cost is Rs. 40 per frame per year. The supplier is willing to offer 2% discount if the order quantity is 1000 or more, and 4% if order quantity is 2000 or more. If the total cost is to be minimized, the retailer should |
| A. | order 200 frames every time |
| B. | accept 2% discount |
| C. | accept 4% discount |
| D. | order Economic Order Quantity |
| Answer» D. order Economic Order Quantity | |
| 11. |
In ABC analysis, the C items are those which represent |
| A. | High percentage of the total annual consumption value |
| B. | Small percentage of the total annual consumption value |
| C. | Small percentage of closing inventory value |
| D. | High percentage of closing inventory value |
| Answer» C. Small percentage of closing inventory value | |
| 12. |
At the break even point |
| A. | Fixed cost = Variable cost |
| B. | Total cost < Sales revenue |
| C. | Total cost > Sales revenue |
| D. | Total cost = Sales revenue |
| Answer» E. | |
| 13. |
A TV seller predicts the demand at the rate of 600 units per month for the next four months. Actual demand is found 500, 680, 800 and 900 units, respectively. The mean absolute deviation (MAD) and the BIAS are ________ and ________, respectively. |
| A. | 170, -120 |
| B. | -170, 120 |
| C. | 170, 120 |
| D. | 120, 170 |
| Answer» D. 120, 170 | |
| 14. |
Inventory control and quality is involved in which of the following phases of production planning and control |
| A. | Pre-planning stage |
| B. | Monitoring stage |
| C. | Planning stage |
| D. | Action stage |
| Answer» C. Planning stage | |
| 15. |
In computing Wilson's economic lot size for all items, by mistake, the demand rate estimate used was 40 per cent higher than the true demand rate. Due to this error in the lot size computation, the total cost of setup plus inventory holding per unit time would rise above the true optimum by approximately: |
| A. | 25 percent |
| B. | 18.3 percent |
| C. | 28.3 percent |
| D. | 8.3 percent |
| Answer» C. 28.3 percent | |
| 16. |
For an assembly line, the production rate was 4 pieces per hour and the average processing time was 60 minutes. The WIP inventory was calculated. Now, the production rate is kept the same, and the average processing time is brought down by 30 percent. As a result of this change in the processing time, the WIP inventory. |
| A. | decreases by 25% |
| B. | increase by 25% |
| C. | decreases by 30% |
| D. | increase by 30% |
| Answer» D. increase by 30% | |
| 17. |
In an MRP system, component demand is |
| A. | Forecasted |
| B. | Established by the master production schedule |
| C. | Calculated by the MRP system from the master production schedule |
| D. | Ignored |
| Answer» D. Ignored | |
| 18. |
For a company with an average daily demand of 9 units and a standard deviation of 3 units, a 9-day lead time, and a 95% service level, which of the following statements is true? |
| A. | The reorder point is about 81 units |
| B. | The safety stock is about 15 units |
| C. | The reorder point is about 96 days. |
| D. | The-reorder point is about. 81 days |
| Answer» B. The safety stock is about 15 units | |
| 19. |
For a product, the forecast and the actual sales for December 2008 were 25 and 20 respectively. If the exponential smoothing constant (α) is taken as 0.2, the forecast sales for January 2009 would be. |
| A. | 21 |
| B. | 23 |
| C. | 24 |
| D. | 27 |
| Answer» D. 27 | |
| 20. |
Consider the following statements with respect to flow diagram in work-study:1. Movement of machines is drawn in flow diagram.2. Movement of men is drawn in flow diagram.3. In flow diagram, all movements are drawn true to scale.Which of the above statements are correct? |
| A. | 1 and 2 only |
| B. | 1 and 3 only |
| C. | 2 and 3 only |
| D. | 1, 2 and 3 |
| Answer» E. | |
| 21. |
A material store comprises of three 2-sided aisles, each having a length and height corresponding to 50 and 15 storage compartments. The total storage capacity will be |
| A. | 9000 compartments |
| B. | 4500 compartments |
| C. | 3500 compartments |
| D. | 2500 compartments |
| Answer» C. 3500 compartments | |
| 22. |
Break even analysis considers ________ cost (s). |
| A. | fixed |
| B. | variable |
| C. | fixed & variable |
| D. | no |
| Answer» D. no | |
| 23. |
In a time series forecasting model, the demands for five time periods were 10, 13, 15, 18 and 22. A linear regression fit resulted in an equation F = 6.9 + 2.9t where F is the forecast for period t. The sum of the absolute deviations for the five data is |
| A. | 2.3 |
| B. | 0.2 |
| C. | -1.2 |
| D. | 2.2 |
| Answer» E. | |
| 24. |
Consider the following data for an item.Price quoted by a supplierOrder quantity (units)Unit price (Rs.)< 50010≥ 5009Annual demand: 2500 units per yearOrdering cost: Rs.100 per orderInventory holding rate: 25% of unit price.The optimum order quantity (in units) is: |
| A. | 447 |
| B. | 471 |
| C. | 500 |
| D. | ≥ 600 |
| Answer» D. ≥ 600 | |
| 25. |
Management by exception is based on |
| A. | Positive attitude towards problem recognition |
| B. | Negative attitude towards problem recognition |
| C. | Indifferent attitude towards problem recognition |
| D. | Ignoring the problem |
| Answer» B. Negative attitude towards problem recognition | |
| 26. |
An organization uses ABC approach for categorization of its stock. Which of the following describe class C items? |
| A. | High value and high risk |
| B. | High value and low risk |
| C. | Low value and high risk |
| D. | Low value and low risk |
| Answer» E. | |
| 27. |
An oil engine manufacturer purchases lubricant cans at the rate of Rs. 42 per piece from a vendor. The requirement of these lubricant cans is 1800 per year. If the cost per placement of an order is Rs. 16 and inventory carrying charges per rupee per year is 20 paise, the order quantity per order will be |
| A. | 91 cans |
| B. | 83 cans |
| C. | 75 cans |
| D. | 67 cans |
| Answer» C. 75 cans | |
| 28. |
Consider the following elements of situation awareness:1. Perception of elements in the environment within a volume of time and space, comprehension of their meaning and projection of their status in the future2. Perception of elements in the environment within a volume of time and space, comprehension of their meaning, projection of their status in the future and interpretation of the results3. Sensing of the elements in the environment, perception of those elements, analysis of consequences, projection of alternative outcomes and interpretation of the resultsWhich of the above is/are correct? |
| A. | 1 only |
| B. | 1 and 2 |
| C. | 2 and 3 |
| D. | 3 only |
| Answer» B. 1 and 2 | |
| 29. |
Five jobs need to be processed on a single machine. All the jobs are available for processing at time t = 0. Their respective processing times are given below.JobsIIIIIIIVVProcessing times (in minutes)13471411The mean completion time using the shortest processing time rule is _________ minutes. |
| A. | 9.8 |
| B. | 24.2 |
| C. | 49 |
| D. | 121 |
| Answer» C. 49 | |
| 30. |
In Materials Requirement Planning, if the inventory holding cost is very high and the setup cost is zero, which one of the following lot-sizing approaches should be used? |
| A. | Economic Order Quantity |
| B. | Lot-for-Lot |
| C. | Base Stock Level |
| D. | Fixed Period Quantity, for 2 periods |
| Answer» C. Base Stock Level | |
| 31. |
An industry produces 300 spark plugs in one shift of 8 hours. If the standard time per piece is 1.5 minute, the productivity would be |
| A. | 3/4 |
| B. | 5/8 |
| C. | 7/16 |
| D. | 15/16 |
| Answer» E. | |
| 32. |
A graphical device used to determine- the break-even point and profit potential under varying conditions of output and costs, is known as |
| A. | Gantt chart |
| B. | Flow chart |
| C. | Break-even chart |
| D. | PERT chart |
| Answer» D. PERT chart | |
| 33. |
Fifty observations of production operation revealed a mean cycle time of 10 min. The worker was evaluated to be performing at 90% efficiency. Assuming the allowances to be 10% of the normal time, the standard time (in minutes) for the job is |
| A. | 0.198 |
| B. | 7.3 |
| C. | 9 |
| D. | 9.9 |
| Answer» E. | |
| 34. |
In an assembly line for assembling the engine, six workers are assigned tasks that take 22, 24, 26, 27, 25 and 26 minutes respectively. The balance delay for the line is: |
| A. | 7.4% |
| B. | 14.8% |
| C. | 7% |
| D. | 10.3% |
| Answer» B. 14.8% | |
| 35. |
A cutting tool manufacturer purchases 2000 rack and pinion per year from a gear manufacturer. The ordering cost is 100 rupees order and carrying cost per unit per year is Rs. 10. The EOQ is: |
| A. | 150 |
| B. | 100 |
| C. | 250 |
| D. | 200 |
| Answer» E. | |
| 36. |
An engine is to be designed to have a minimum reliability of 0.8 and minimum availability of 0.98 over a period of 2 × 103 hr. The MTTR is nearly |
| A. | 168 hr |
| B. | 174 hr |
| C. | 183 hr |
| D. | 188 hr |
| Answer» D. 188 hr | |
| 37. |
A moving average system is used for forecasting weekly demand. F1(t) and F2(t) are sequences of forecasts with parameters m1 and m2, respectively, where m1 and m2 (m1 > m2) denote the numbers of weeks over which the moving averages are taken. The actual demand shows a step increase from d1 to d2 at a certain time. Subsequently, |
| A. | Neither F1(t) nor F2(t) will catch up with the value d2 |
| B. | Both sequences F1(t) and F2(t) will reach d2 in the same period |
| C. | F1(t) will attain the value d2 before F2(t) |
| D. | F2(t) will attain the value d2 before F1(t) |
| Answer» E. | |
| 38. |
In the classical economic order quantity (EOQ) model, let Q and C denote the optimal order quantity and the corresponding minimum total annual cost (the sum of the inventory holding and ordering costs). If the order quantity is estimated incorrectly as Q′ = 2Q, then the corresponding total annual cost C′ is |
| A. | C′ = 1.25C |
| B. | C′ = 1.5C |
| C. | C′ = 1.75C |
| D. | C′ = 2C |
| Answer» B. C′ = 1.5C | |
| 39. |
Materials handling system includes |
| A. | Automated Guided Vehicles (AGV) |
| B. | Automated Storage/Retrieval System (AS/RS) |
| C. | Robots |
| D. | All of the above |
| Answer» E. | |
| 40. |
For a company that uses a periodic inventory system, which of the following is true? |
| A. | inventory is counted only at specific time intervals |
| B. | the order is for a fixed quantity which minimizes inventory costs |
| C. | the inventory system is also referred to as a perpetual inventory system |
| D. | the company is using a fixed-order-quantity system |
| Answer» B. the order is for a fixed quantity which minimizes inventory costs | |
| 41. |
Group Technology brings together and organizes |
| A. | Common parts, problems and tool production |
| B. | Automation and tool production |
| C. | Documentation and analysis |
| D. | Parts and simulation analysis |
| Answer» B. Automation and tool production | |
| 42. |
An acceptance sampling plan is selected with sample size n = 80, acceptance number c = 2 for a lot size of 10,000 units. The probability of accepting the lot is based on Poisson distribution. Assuming rectification inspection, if incoming lot quality p is 0.03 and mean (λ) is 2.4, the average outgoing quality (AOQ) is closest to |
| A. | 0.0011 |
| B. | 0.0087 |
| C. | 0.017 |
| D. | 0.0338 |
| Answer» D. 0.0338 | |
| 43. |
For 3 σ limits used in S.Q.C. probability of acceptance is |
| A. | 68.26% |
| B. | 85.00% |
| C. | 99.73% |
| D. | 95.46% |
| Answer» D. 95.46% | |
| 44. |
Gantt chart provides information about the: |
| A. | material handling |
| B. | proper utilisation of manpower |
| C. | production schedule |
| D. | efficient working of machine |
| Answer» D. efficient working of machine | |
| 45. |
Exponential smoothening methods are best suited under conditions when |
| A. | forecasting horizon is relatively large |
| B. | forecasting for large number of items |
| C. | available outside information is more |
| D. | All of the above |
| Answer» B. forecasting for large number of items | |
| 46. |
A part is made from solid bras rod of 38 mm diameter and length 25 mm. The machining time taken to finish the part is 90 minutes and labour rate is Rs. 2 per hour. Factory overheads are 50% of direct labour cost. The density of material is 8.6 gm per cubic cm and it cost Rs. 1.625 per newton. The factory cost of the part will be |
| A. | Rs. 8.40 |
| B. | Rs. 4.80 |
| C. | Rs. 14.80 |
| D. | Rs. 18.40 |
| Answer» B. Rs. 4.80 | |
| 47. |
In ABC analysis, ‘A’ class consist of items having |
| A. | Good records |
| B. | Minimal records |
| C. | Accurate records |
| D. | No records |
| Answer» D. No records | |
| 48. |
Jobs going behind the schedule are conveniently shown in |
| A. | Milestone chart |
| B. | Pie chart |
| C. | Bar chart |
| D. | Gantt chart |
| Answer» E. | |
| 49. |
A production line is to be designed to make 2400 items/week for at least the next 3 months. The line operates 40 hours/week. The standard time required to assemble each item is 244 second. What is the smallest number of workstations required? |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | 8 |
| Answer» B. 6 | |
| 50. |
Line balancing is imperative in _________ production |
| A. | batch |
| B. | mass |
| C. | job |
| D. | None of these |
| Answer» C. job | |