The oxygen atom is ________ times heavier than the hydrogen atom.
2
8
16
32
- The state of a substance whose evaporation from its liquid state is complete, is known as
- The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease…
- The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular…
- A cycle consisting of two isothermal and two isentropic processes, is known as
- Kelvin-Planck's law deals with
- The efficiency of a Carnot engine depends on
- One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and __________…
- Two shafts 'A' and 'B' transmit the same power. The speed of shaft 'A' is 250 r.p.m. and that of shaft…
- A circular shaft fixed at, A has diameter D for half of its length and diameter D/2 over the other half,…
- The percentage reduction in area of a cast iron specimen during tensile test would be of the order of
- According to Euler's column theory, the crippling load for a column of length (l) with one end fixed…
- The stress developed in a material at breaking point in extension is called
- A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3,…
- The value of 1 mm of Hg is equal to
- Euler's formula holds good only for
- The stress at which extension of the material takes place more quickly as compared to the increase in…
- A beam is loaded as cantilever. If the load at the end is increased, the failure will occur
- The calorific value of gaseous fuel is expressed in
- The state of stress at a point in a loaded member is shown in the below figure. The magnitude of maximum…
- The specific heat of water is
- All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change…
- In an ideal gas turbine plant, it is assumed that the compression and expansion processes are
- A definite area or a space where some thermodynamic process takes place is known as
- For the same maximum pressure and temperature,
- When it is indicated that a member is elastic, it means that when force is applied, it will
- An adiabatic process is one in which
- The deformation per unit length is called
- In a prismatic member made of two materials so joined that they deform equally under axial stress, the…
- The heating of gas at constant volume is governed by
- One molecule of oxygen consists of __________ atoms of oxygen.