MCQOPTIONS
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MCQOPTIONS
This section includes 2095 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.
| 301. |
Calculate the initial weight of moisture if one kg block of borax laundry soap with initial moisture content of 30% is dried and brought to 28%. |
| A. | 0.168 |
| B. | 0.289 |
| C. | 0.276 |
| D. | 0.248 |
| Answer» E. | |
| 302. |
Calculate the initial weight of moisture if one kg block of borax laundry soap with initial moisture content of 25% is dried and brought to 24.8%. |
| A. | 0.16 |
| B. | 0.27 |
| C. | 0.200 |
| D. | 0.300 |
| Answer» D. 0.300 | |
| 303. |
Calculate the initial weight of moisture if one kg block of borax laundry soap with initial moisture content of 18% is dried and brought to 17.8%. |
| A. | 0.168 |
| B. | 0.146 |
| C. | 0.152 |
| D. | 0.234 |
| Answer» D. 0.234 | |
| 304. |
What is the drawback of the code given below? |
| A. | Wrong pin number |
| B. | Wrong equation |
| C. | Wrong target datatype |
| D. | Incorrect parenthesisView Answer |
| Answer» D. Incorrect parenthesisView Answer | |
| 305. |
The ADXL-335 Accelerometer sensor module uses capacitive technology to detect changes. The Equation governing that function is given by C=f(A/d). What is the meaning of ‘A’ in the equation? |
| A. | Area |
| B. | Air |
| C. | Antenna |
| D. | . What is the meaning of ‘A’ in the equation?a) Areab) Airc) Antennad) Acceleration |
| Answer» B. Air | |
| 306. |
What kind of sensor is the ADXL-335 Accelerometer Module? |
| A. | Passive |
| B. | Active |
| C. | Radio |
| D. | Pressure based |
| Answer» C. Radio | |
| 307. |
Can you measure the acceleration of a train, if the train is moving at a constant velocity and the sensor is located on the train? |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 308. |
Which of the formulae give us the angle of inclination in the ADXL-335? |
| A. | theta=atan(X_Value/sqrt((Y_Value*Y_Value)+(Z_Value*Z_Value))) |
| B. | theta=atan(X_Value/sqrt((Y_Value*Y_Value)*(Z_Value*Z_Value))) |
| C. | theta=atan(X_Value/sqrt((Y_Value)+(Z_Value*Z_Value))) |
| D. | theta=atan(X_Value/sqrt((Y_Value*Y_Value)+(Z_Valu |
| E. | +(Z_Value*Z_Value)))b) theta=atan(X_Value/sqrt((Y_Value*Y_Value)*(Z_Value*Z_Value)))c) theta=atan(X_Value/sqrt((Y_Value)+(Z_Value*Z_Value)))d) theta=atan(X_Value/sqrt((Y_Value*Y_Value)+(Z_Value))) |
| Answer» B. theta=atan(X_Value/sqrt((Y_Value*Y_Value)*(Z_Value*Z_Value))) | |
| 309. |
Which of the formulae give us the value of acceleration for the x-axis in the ADXL-335? |
| A. | Axout = (((Value * Vref) / 1024) – 1.65) / 0.330 |
| B. | Axout = (((Value * Vref) / 1024) – 1.65) / 2000 |
| C. | Axout = (((Value * Vref) / 1024) – 1.65) / 330 |
| D. | Axout = (((Value * Vref) / 1024) – 1.65) / 0.12 |
| Answer» B. Axout = (((Value * Vref) / 1024) – 1.65) / 2000 | |
| 310. |
What will happen if we supply a voltage of 25V to the Vcc of the ADXL-335 sensor? |
| A. | Damage is caused |
| B. | Sensor will work fine |
| C. | Sensor will not respond for the time the voltage is applied |
| D. | Sensor will function normally |
| Answer» B. Sensor will work fine | |
| 311. |
What mode should the 3 axis pins of the ADXL-335 be read in, in an Arduino in order to obtain meaningful values? |
| A. | Analog |
| B. | Digital |
| C. | PCM |
| D. | TDM |
| Answer» B. Digital | |
| 312. |
How many pins are present in the ADXL-335? |
| A. | 1 |
| B. | 4 |
| C. | 2 |
| D. | 5 |
| Answer» E. | |
| 313. |
What is the use of the ADXL-335 sensor? |
| A. | To measure acceleration |
| B. | To measure heat |
| C. | To measure temperature |
| D. | To measure GPS Location |
| Answer» B. To measure heat | |
| 314. |
Dimensional tolerances of very less microns are possible with AJMM |
| A. | True |
| B. | False |
| Answer» B. False | |
| 315. |
Which of the following is correct about AJMM? |
| A. | It requires no cleaning |
| B. | It has very high accuracy |
| C. | It tends to pollute the environment |
| D. | The nozzle has very less wear |
| Answer» D. The nozzle has very less wear | |
| 316. |
Maximum possible aspect ratio in AJMM is_____ |
| A. | 1:2 |
| B. | 1.5:3 |
| C. | 2:1 |
| D. | 3:1 |
| Answer» E. | |
| 317. |
Which of the following technology is used for ferrite substrates? |
| A. | Powder coating |
| B. | Powder blasting |
| C. | Sintering |
| D. | Continuous powder processing |
| Answer» C. Sintering | |
| 318. |
Which of the following is not true for LCD? |
| A. | Low reliability |
| B. | Short life span |
| C. | Short response time |
| D. | None of the mentioned |
| Answer» E. | |
| 319. |
What will be the response time for LCD? |
| A. | Less than 100ns |
| B. | Less than 100ms |
| C. | 1S |
| D. | Unpredictable |
| Answer» C. 1S | |
| 320. |
CRT can be used for representing ______________ |
| A. | Amplitude of signal |
| B. | Rise time of signal |
| C. | Frequency of signal |
| D. | All of the mentioned |
| Answer» E. | |
| 321. |
VDU’s are used for displaying ________________ |
| A. | Alphabetic letters |
| B. | Numerical characters |
| C. | Graphical contents |
| D. | All of the mentioned |
| Answer» E. | |
| 322. |
Which of the following is closely related to LED? |
| A. | Passive device |
| B. | Active device |
| C. | May passive or active |
| D. | None of the mentioned |
| Answer» B. Active device | |
| 323. |
VDU stands for ____________________ |
| A. | Virtual display unit |
| B. | Verbal display unit |
| C. | Variable display unit |
| D. | Visual display unit |
| Answer» E. | |
| 324. |
The computation of collapse or ultimate load is influenced by ____________ |
| A. | Degree of compression |
| B. | Degree of bending |
| C. | Degree of redistribution |
| D. | Degree of strain |
| Answer» D. Degree of strain | |
| 325. |
The stresses due to secondary moments can be eliminated by selecting suitable ____________ |
| A. | Cable profile |
| B. | Tendon profile |
| C. | Anchorage profile |
| D. | Wedge profile |
| Answer» C. Anchorage profile | |
| 326. |
The problem of excessive frictional losses can be tackled by reducing ____________ |
| A. | Eccentricity |
| B. | Prestressing force |
| C. | Curvature |
| D. | Loads |
| Answer» D. Loads | |
| 327. |
The formation of redundant reactions is examined with reference to ____________ |
| A. | One span continuous beam |
| B. | Two span continuous beam |
| C. | Three span continuous beam |
| D. | Four span continuous beam |
| Answer» C. Three span continuous beam | |
| 328. |
There is a reduction of anchorage in case of ____________ |
| A. | Precast prestressed beam |
| B. | Pre tensioned prestressed beam |
| C. | Continuous prestressed |
| D. | Partially prestressed |
| Answer» E. | |
| 329. |
In continuous post tensioned girders the curved cables can be positioned to resist ____________ |
| A. | Edge and supports |
| B. | Beam and supports |
| C. | Span and supports |
| D. | Columns and supports |
| Answer» D. Columns and supports | |
| 330. |
The bending moments are more evenly distributed between ____________ |
| A. | Ends and supports |
| B. | Centre and supports |
| C. | Edge and supports |
| D. | Surface and supports |
| Answer» C. Edge and supports | |
| 331. |
The ultimate load capacity is higher in case of ____________ |
| A. | Statically indeterminate structures |
| B. | Statically determinate structures |
| C. | Prestressed structures |
| D. | Reinforced structures |
| Answer» B. Statically determinate structures | |
| 332. |
Volume of urine is regulated by ___________ |
| A. | ADH |
| B. | Aldosterone |
| C. | ADH and Aldosterone |
| D. | Aldosterone and testosterone |
| Answer» D. Aldosterone and testosterone | |
| 333. |
In micturition ___________ |
| A. | Urethra relaxes |
| B. | Ureters relax |
| C. | Ureters contract |
| D. | Urethra contracts |
| Answer» B. Ureters relax | |
| 334. |
Maximum absorption of Na+ and K+ occurs in __________ |
| A. | Loop of Henle |
| B. | Bowman’s capsule |
| C. | DCT |
| D. | PCT |
| Answer» E. | |
| 335. |
When TBR counts to zero? |
| A. | TBCLn is updated from TBCCRn |
| B. | CLLDx is updated to TBCCTLn |
| C. | CLLDx is updated to TBCCRn |
| D. | TBCLn is updated to CLLDx |
| Answer» B. CLLDx is updated to TBCCTLn | |
| 336. |
TBCLn provided in each channel is actually _________ |
| A. | a comparator |
| B. | compare latch |
| C. | controller |
| D. | control logic |
| Answer» C. controller | |
| 337. |
Why Timer_B is not considered as most suitable one for receiving asynchronous signals? |
| A. | because of the absence of the TBOUTH input pin |
| B. | because of the presence of the TBOUTH input pin |
| C. | because of the absence of the SCCI bit |
| D. | because of the presence of the SCCI bit |
| Answer» D. because of the presence of the SCCI bit | |
| 338. |
Finned evaporators are also known as prime surface evaporators. |
| A. | False |
| B. | True |
| Answer» B. True | |
| 339. |
Which type of evaporator is generally used to cool drinking water? |
| A. | Shell and tube evaporator |
| B. | Finned evaporator |
| C. | Shell and coil evaporator |
| D. | Plate evaporator |
| Answer» D. Plate evaporator | |
| 340. |
Which type of evaporator is used in household refrigerators? |
| A. | frosting evaporator |
| B. | defrosting evaporator |
| C. | non-frosting evaporator |
| D. | non-corrosive evaporator |
| Answer» B. defrosting evaporator | |
| 341. |
Which type of evaporator is generally used for wine cooling and chilling oil in the petroleum industry? |
| A. | Tube-in-tube evaporator |
| B. | Finned evaporator |
| C. | Shell and tube evaporator |
| D. | Plate evaporator |
| Answer» B. Finned evaporator | |
| 342. |
Which type of evaporator is generally used in home freezers, ice cream cabinets, etc? |
| A. | Shell and coil evaporator |
| B. | Finned evaporator |
| C. | Shell and tube evaporator |
| D. | Plate evaporator |
| Answer» E. | |
| 343. |
The bare tube evaporators are called as _______ evaporators. |
| A. | extended surface |
| B. | bare surface |
| C. | pipe surface |
| D. | prime surface |
| Answer» E. | |
| 344. |
What is the value of the fluid side heat transfer coefficient when air flows over cold pipes by natural convection? |
| A. | 0.2 (Ta – Tm / D)1/4 |
| B. | 0.2 (Ta – Tm / D) |
| C. | 0.2 (Ta – Tm / D)1/3 |
| D. | 0.2 (Ta – Tm / D)1/2 |
| Answer» B. 0.2 (Ta – Tm / D) | |
| 345. |
What is the value of fluid side heat transfer coefficient when air flows over finned coil by forced convection? |
| A. | C x (m)0.1 |
| B. | C x (m)0.2 |
| C. | C x (m)0.3 |
| D. | C x (m)0.4 |
| Answer» E. | |
| 346. |
What is the value of the fluid side heat transfer coefficient when liquid flows through the evaporator shell? |
| A. | C x m |
| B. | C x (m)0.5 |
| C. | C x (m)2 |
| D. | C x (m)3 |
| Answer» C. C x (m)2 | |
| 347. |
Which of the following is not a factor affecting the capacity of evaporator? |
| A. | Velocity of refrigerant |
| B. | The thickness of the evaporator coil wall |
| C. | Material |
| D. | Evaporator pressure |
| Answer» E. | |
| 348. |
What is the formula for the capacity of evaporator? |
| A. | Q = U A2 (T2 – T1) |
| B. | Q = U A (T2 – T1) |
| C. | Q = A (T2 – T1) |
| D. | Q = U (T2 – T1) |
| Answer» C. Q = A (T2 – T1) | |
| 349. |
What evaporator does to the refrigerant coming from expansion valve in terms of state? |
| A. | high-pressure liquid refrigerant |
| B. | low-pressure liquid and vapor refrigerant |
| C. | low-pressure vapor refrigerant |
| D. | high-pressure vapor refrigerant |
| Answer» C. low-pressure vapor refrigerant | |
| 350. |
Evaporator is also called as Freezing, cooling or chilling coil. |
| A. | False |
| B. | True |
| Answer» C. | |