Related Questions

With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer
A Increases
B Decreases
C Remains constant
D Increases exponentially
The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.
A 0
B 100
C 50
D None of these
Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by
A Making the volume of thermometer bulb as large as conveniently possible
B Reducing the volume of the capillary to a minimum
C Reducing the volume of the receiving element to a minimum
D All of the above
একটি ত্রুটিপূর্ণ thermometer স্বাভাবিক চাপে বরফের 1ºC এবং বাষ্পে 98ºC পাঠ দেয়। উক্ত thermometer 40ºC পাঠ দিলে প্রকৃত তাপমাত্রা কত?
A 32.3ºC
B 36ºC
C 40.2ºC
D 48.4ºC
A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same
A Temperature measuring range (- 40°C to 450°C)
B Accuracy (± 1% of span)
C Speed of response
D All of the above
For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a
A Large area but small mass
B High thermal conductivity
C Small specific heat
D All of the above
A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
A Civics and 7th
B Economics and 5th
C Civics and 6th
D History and 7th
The high expansion metal normally used in the bimetallic thermometer is __________ temperature measurement.
A Brass for low
B Nickel alloys for high
C Both A & B
D Aluminium for all
Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C.
A [

A.

B.

B > 0
C > 800
Shehnaz has to record temperature of a covid-19 patient in Celsius but hard thermometer reads Fahrenheit. The patient's temperature is 100.7° Fahrenheit. What is the temperature in Celsius?
A 32°C
B 36.5°C
C 37.5° C
D 38.2°C

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