MCQOPTIONS
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MCQOPTIONS
This section includes 2167 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
| 251. |
Which of the following aircraft parts are manufactured using a high amount of titanium? |
| A. | Aircraft engines, wing structure, landing gear components |
| B. | Landing gear components, wheels, gas turbines |
| C. | Hydraulic tubes, slings, wheels |
| D. | Aircraft engines, landing gear components |
| Answer» B. Landing gear components, wheels, gas turbines | |
| 252. |
Compared to steel, titanium alloys are more __________ to deformation. |
| A. | bent |
| B. | complying |
| C. | prone |
| D. | resistant |
| Answer» E. | |
| 253. |
The density of titanium is __________ |
| A. | 7.92 gm. per c.c |
| B. | 4.5 gm. per c.c |
| C. | 13.6 gm. per c.c |
| D. | 2.80 gm. per c.c |
| Answer» C. 13.6 gm. per c.c | |
| 254. |
Combined titanium alloys are relatively ___________ to produce in quantity. |
| A. | moderate |
| B. | easy |
| C. | complicated |
| D. | high |
| Answer» C. complicated | |
| 255. |
The specific heat of titanium is ___________ |
| A. | 0.23 Cal./gm./°C |
| B. | 0.12 Cal./gm./°C |
| C. | 0.129 Cal./gm./°C |
| D. | 5.6 Cal./gm./°C |
| Answer» D. 5.6 Cal./gm./°C | |
| 256. |
___________ reduces the transformation temperature of titanium. |
| A. | Carbon |
| B. | Aluminium |
| C. | Oxygen |
| D. | Molybdenum |
| Answer» E. | |
| 257. |
___________ increases the transformation temperature of titanium. |
| A. | Nitrogen |
| B. | Tantalum |
| C. | Vanadium |
| D. | Columbium |
| Answer» B. Tantalum | |
| 258. |
Hydrogen is __________ for titanium sheets. |
| A. | beneficial |
| B. | required |
| C. | harmful |
| D. | provided |
| Answer» D. provided | |
| 259. |
Titanium alloys (body-centred cubic) have very low density. |
| A. | True |
| B. | False |
| C. | have very low density.a) Trueb) False |
| Answer» C. have very low density.a) Trueb) False | |
| 260. |
Titanium can be used in the medical industry. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 261. |
Titanium alloys (body centred cubic) ___________ heat treatment for high strength. |
| A. | require |
| B. | are made by |
| C. | ___________ heat treatment for high strength.a) requireb) are made byc) do not require |
| D. | preceded |
| Answer» D. preceded | |
| 262. |
Titanium has applications in the __________ industries. |
| A. | aerospace |
| B. | chemical |
| C. | aerospace and chemical |
| D. | chemical and stock |
| Answer» D. chemical and stock | |
| 263. |
Titanium alloys can be forged ___________ |
| A. | moderately |
| B. | with great difficulty |
| C. | unnecessarily |
| D. | easily |
| Answer» E. | |
| 264. |
There are two types of coils employed in the system, which are ____ |
| A. | Tygon coils and mixing coils |
| B. | Mixing coils and tubing coils |
| C. | Delay coils and tygon coils |
| D. | Mixing coils and delay coils |
| Answer» E. | |
| 265. |
Which of the following is not the type of tubing? |
| A. | Acidflex tubing |
| B. | Glass tubing |
| C. | Polypropylene tubing |
| D. | Tygon |
| Answer» D. Tygon | |
| 266. |
Which of the following is not the part of the manifold? |
| A. | Transmission tubing |
| B. | Pump tubes |
| C. | Platter |
| D. | Plastic tubes |
| Answer» E. | |
| 267. |
What is the ratio of the sampling time to wash time? |
| A. | 1:2 |
| B. | 3:1 |
| C. | 2:1 |
| D. | 1:3 |
| Answer» D. 1:3 | |
| 268. |
In the sampling unit, when it is in its earlier form consisted of a circular turntable carrying around its rim 40 disposable __________ of 2 ml capacity. |
| A. | Polyvinyl cups |
| B. | Polythene cups |
| C. | Polyester cups |
| D. | Polystyrene cups |
| Answer» E. | |
| 269. |
The part of the automated system that shown in the figure is ____________ |
| A. | Dialyzer |
| B. | Pump |
| C. | Recorder |
| D. | Sampler |
| Answer» E. | |
| 270. |
Parent-child hierarchies are automatically detected by the _________ Wizard. |
| A. | Dimension |
| B. | Cube |
| C. | Dimension and Cube |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 271. |
By default, in a ________ schema, all attributes are directly related to the key attributes. |
| A. | Relational |
| B. | Snowflake |
| C. | Star |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 272. |
Which of the following property is set to zero so that all levels are not created? |
| A. | Aggregatable |
| B. | IsAggregatable |
| C. | IsAggregate |
| D. | All of the mentioned |
| Answer» C. IsAggregate | |
| 273. |
Which of the following is not supported by linked dimensions? |
| A. | readback |
| B. | writeback |
| C. | readwrite |
| D. | all of the mentioned |
| Answer» C. readwrite | |
| 274. |
If the diameter of pumping mains decreases, then the total dynamic head will increase. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 275. |
The efficiency of the pump at quarter load is ____________ |
| A. | 50% |
| B. | 70% |
| C. | 80% |
| D. | 100% |
| Answer» B. 70% | |
| 276. |
The efficiency of the pump at half load is ____________ |
| A. | 50% |
| B. | 70% |
| C. | 80% |
| D. | 100% |
| Answer» C. 80% | |
| 277. |
When the pumps are in series operation? |
| A. | H = H1 + H2 |
| B. | 1/H = 1/H1 +1/ H2 |
| C. | Q = Q1 + Q2 |
| D. | 1/Q = 1/Q1 + 1/Q2 |
| Answer» B. 1/H = 1/H1 +1/ H2 | |
| 278. |
When the pumps are in parallel operation? |
| A. | H = H1 + H2 |
| B. | 1/H = 1/H1 +1/ H2 |
| C. | Q = Q1 + Q2 |
| D. | 1/Q = 1/Q1 + 1/Q2 |
| Answer» D. 1/Q = 1/Q1 + 1/Q2 | |
| 279. |
The plot of total dynamic head and discharge of a pump is called ____________ |
| A. | Dynamic head curve |
| B. | System head curve |
| C. | Pump curve |
| D. | Discharge curve |
| Answer» C. Pump curve | |
| 280. |
When there is an interactive effect of processes on the tolerances, process capability can’t be used for the planning of production processes. |
| A. | True |
| B. | False |
| Answer» C. | |
| 281. |
Probability plots are graph of ranked data plotted against the cumulative frequency, with a vertical scale chosen so that the cumulative distribution of assumed type is a _________ |
| A. | Parabola |
| B. | Straight line |
| C. | Hyperbola |
| D. | Pulse |
| Answer» C. Hyperbola | |
| 282. |
Histogram generally is a __________ |
| A. | Graphical representation of intervals of data plotted against frequency |
| B. | Ranked data versus the sample cumulative frequency |
| C. | Ranked data versus the frequency |
| D. | Diagram of unit giving the location of defects |
| Answer» B. Ranked data versus the sample cumulative frequency | |
| 283. |
Which is more efficient in the case of small samples to find out the shape and spread of the distribution? |
| A. | Histogram |
| B. | Probability plots |
| C. | Designed experiments |
| D. | PDCA |
| Answer» C. Designed experiments | |
| 284. |
Probability plotting is not used to find __________ |
| A. | The shape of distribution |
| B. | The center of distribution |
| C. | The spread of distribution |
| D. | The origin of defects |
| Answer» E. | |
| 285. |
Probability plotting is an alternative of _________ to find process capability. |
| A. | Control charts |
| B. | Histogram |
| C. | Designed experiments |
| D. | Acceptance sampling |
| Answer» C. Designed experiments | |
| 286. |
Which of these is needed with the histogram to estimate the process capability? |
| A. | Acceptance sampling |
| B. | Scatter diagram |
| C. | Sample average |
| D. | Check sheet |
| Answer» D. Check sheet | |
| 287. |
Which can be used as an alternative for histogram for PCA? |
| A. | Check sheet |
| B. | Defect concentration diagram |
| C. | Stem-and-Leaf Plot |
| D. | Scatter Diagram |
| Answer» D. Scatter Diagram | |
| 288. |
PCA (process capability analysis) can’t be used _____________ |
| A. | To determine the process state of statistical control |
| B. | To reduce the variability in the process |
| C. | For specifying the location of defect |
| D. | For modifying or selecting a process |
| Answer» D. For modifying or selecting a process | |
| 289. |
Smoothing filter is used for which of the following work(s)? |
| A. | Blurring |
| B. | Noise reduction |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 290. |
The below temperature equation, resembles |
| A. | Stages Number |
| B. | Separation efficiency |
| C. | Purity specification |
| D. | Specific gain |
| Answer» D. Specific gain | |
| 291. |
How many trays are there in complete column? |
| A. | N (3C+1) |
| B. | N (2C+1) |
| C. | N (5C+1) |
| D. | N (6C+1) |
| Answer» D. N (6C+1) | |
| 292. |
When this condition satisfies |
| A. | Mass transfer at interface should cancel |
| B. | Mass transfer at interface should unite |
| C. | Mass transfer at interface should maximum |
| D. | Mass transfer at interface should minimum |
| Answer» B. Mass transfer at interface should unite | |
| 293. |
The below equation represents? |
| A. | Stages Number |
| B. | Separation efficiency |
| C. | Purity specification |
| D. | Specific gain |
| Answer» D. Specific gain | |
| 294. |
In the below equation, eLj represents? |
| A. | Gas flux |
| B. | Equilibrium |
| C. | Energy |
| D. | Liquid flux |
| Answer» E. | |
| 295. |
In the following equation, evj represents? |
| A. | Gas flux |
| B. | Liquid flux |
| C. | Energy |
| D. | Equilibrium |
| Answer» B. Liquid flux | |
| 296. |
The following equation represents? |
| A. | Net gain by Vapor |
| B. | Total net gain |
| C. | Net specific gain |
| D. | Specific gain |
| Answer» B. Total net gain | |
| 297. |
Sometimes, the _______ can be fixed as in case of roof surfaces, on the exposed face of the wall, etc. |
| A. | Mortar |
| B. | Plastic sheet |
| C. | Felts |
| D. | Stones |
| Answer» E. | |
| 298. |
__________ absorbing water less than 4.50% of their weight can be used for Damp proofing. |
| A. | Bricks |
| B. | Mortar |
| C. | Stones |
| D. | Cement concrete |
| Answer» B. Mortar | |
| 299. |
A _________ layer is in proportion 1:2:4 is generally provided at the plinth level to work as a damp proofing course. |
| A. | Mortar |
| B. | Cement concrete |
| C. | Stone |
| D. | Brick |
| Answer» C. Stone | |
| 300. |
__________ material is made of black polythene having a thickness of about. 50 mm to 1 mm. |
| A. | Brick |
| B. | Stone |
| C. | Plastic sheet |
| D. | Cement concrete |
| Answer» D. Cement concrete | |