Conversion Factors and Physical Constants Review

Fill-in-the-blank practice flashcards covering physical constants, dimensional constants, and conversion factors for engineering and physical sciences.

In SI units, gravitational acceleration ($g$) is equal to __________ .

$$9.8\,m/s^2$$

In English units, gravitational acceleration ($g$) is equal to __________ .

$$32.174\,ft/s^2$$

The Universal Gas Constant ($R$) in units of $(L \cdot atm)/(mol \cdot K)$ is equal to __________ .

$$0.08205$$

The Universal Gas Constant ($R$) in units of $(m^3 \cdot Pa)/(mol \cdot K)$ is equal to __________ .

$$8.314$$

The Universal Gas Constant ($R$) in units of $BTU/(lbmol \cdot ^{\circ}R)$ is equal to __________ .

$$1.987$$

The Universal Gas Constant ($R$) in units of $(ft^3 \cdot psi)/(lbmol \cdot ^{\circ}R)$ is equal to __________ .

$$10.73$$

The dimensional constant ($g_c$) in SI units is equal to __________ .

$1\,(kg \cdot m)/(N \cdot s^2)$&

The dimensional constant ($g_c$) in English units is equal to __________ .

$$32.174\,(ft \cdot lb_m)/(lb_f \cdot s^2)$$

One slug is equal to __________ $lbm$.

$$32.174$$

One short ton is equal to $2000\,lbm$, while one long ton is equal to __________ $lbm$.

$$2240$$

One metric ton is equal to $1000\,kg$ or __________ $lbm$.

$$2200$$

One Angstrom is equal to __________ $m$.

$$1 \times 10^{-10}$$

One fathom is equal to __________ $ft$.

$$6$$

One mile is equal to __________ $ft$.

$$5280$$

One barrel is equal to __________ gallons.

$$42$$

One cubic foot ($1\,ft^3$) is equal to __________ gallons.

$$7.481$$

One gallon is equal to __________ liters.

$$3.7853$$

One acre is equal to __________ $ft^2$.

$$43,560$$

One hectare is equal to __________ $m^2$.

$$10000$$

One Newton ($1\,N$) is equal to __________ dyne.

$$1 \times 10^5$$

One pound-force ($1\,lb_f$) is equal to __________ $N$.

$$4.4482$$

One atmosphere ($1\,atm$) of pressure is equal to __________ $mmHg$ at $0^{\circ}C$.

$$760$$

One atmosphere ($1\,atm$) of pressure is equal to __________ $lb_f/in^2$.

$$14.7$$

One atmosphere ($1\,atm$) of pressure is equal to __________ $N/m^2\,(Pa)$.

$$101,325$$

One atmosphere ($1\,atm$) of pressure is equal to __________ $ft\,H_2O$ at $39.1^{\circ}F$.

$$33.899$$

One bar is equal to __________ $Pa$.

$$1 \times 10^5$$

One BTU is equal to __________ $J$.

$$1054.4$$

One BTU is equal to __________ $ft \cdot lb_f$.

$$778$$

One calorie ($1\,cal$) is equal to __________ $J$.

$$4.184$$

One Joule ($1\,J$) is equal to __________ erg.

$$1 \times 10^7$$

One Poise is equal to __________ $cP$.

$$100$$

One Poise is equal to __________ $Pa \cdot s$.

$$0.1$$

One centipoise ($1\,cP$) is equal to __________ $kg/(m \cdot s)$.

$$1 \times 10^{-3}$$

One horsepower ($1\,hp$) is equal to __________ watts.

$$746$$

One horsepower ($1\,hp$) is equal to __________ $ft \cdot lb_f/s$.

$$550$$

One horsepower ($1\,hp$) is equal to __________ $ft \cdot lb_f/min$.

$$33000$$

One watt is equal to __________ $J/s$.

$$1$$

One kilogram ($1\,kg$) is equal to __________ $lbm$ (to three decimal places).

$$2.204$$

One inch ($1\,in$) is equal to __________ $cm$.

$$2.54$$

One atmosphere ($1\,atm$) is equal to __________ $inHg$ at $32^{\circ}F$.

$$29.92$$

One atmosphere ($1\,atm$) is equal to __________ bar.

$$1.01325$$

One atmosphere ($1\,atm$) is equal to __________ torr.

$$760$$

One BTU is equal to __________ calories.

$$252$$

One BTU is equal to __________ $L \cdot atm$.

$$10.409$$

One Joule ($1\,J$) is defined as __________ $N \cdot m$.

$$1$$

One erg is defined as __________ $dyne \cdot cm$.

$$1$$

One Poise is equal to __________ $g/(cm \cdot s)$.

$$1$$

One centipoise ($1\,cP$) is equal to __________ $lb/(ft \cdot s)$.

$$6.72 \times 10^{-4}$$