FS Exam Practice Questions and answers
2025
How .much .does .an .Invar .tape .expand .and .contract .due .to .change .in
.temperature, .compared .to .a .standards .steel .tape .under .the .same .conditions?
(a) .An .Invar .tape .expands .and .contracts .much .more .than .a .steel .tape
(b) .An .Invar .tape .expands .and .contracts .slightly .less .than .a .steel .tape
(c) .An .Invar .tap .expands .and .contracts .much .less .than .a .steel .tape
(d) .The .two .tapes .expand .and .contract .about .the .same .amount .- .ANS✓✓-(c)
An .Invar .tape .will .expand .and .contract .much .less .than .a .steel .tape .when
.exposed .to .the .same .change .in .temperature. .Unfortunately, .Invar .tapes, .while
.extremely .accurate, .are .too .fragile .for .normal .use. .So .they .are .typically .used
.for .measuring .baselines .or .calibrating .steel .tapes
How .many .pins .are .in .a .set .of .chaining .pins?
(a) .10
(b) .11
(c) .12
(d) .20 .- .ANS✓✓-(b) .11
What .features .distinguish .an .add .tape?
(a) .The .last .foot .of .each .end .is .graduated .in .tenths .or .hundredths .or .a .foot
(b) .There .is .an .extra .graduated .foot .beyond .the .zero .mark
(c) .There .is .an .extra .graduated .foot .at .the .100 .foot .end .of .the .tape
(d) .There .is .an .extra .graduated .food .at .both .ends .of .the .tape .- .ANS✓✓-(b)
,An .add .tape .has .an .extra .graduated .foot .beyond .the .zero .mark
On .a .subtract .tape, .the .last .foot .is .graduated .into .tenths .or .hundredths
How .long .is .a .Gunter's .Chain?
(a) .30 .ft
(b) .53 .ft
(c) .66 .ft
(d) .130 .ft .- .ANS✓✓-(c) .66 .ft
The .area .of .a .square .one .Gunter's .chain .on .a .side .is .most .nearly
(a) .250 .ft^2
(b) .4400 .ft^2
(c) .10,000 .ft^2
(d) .44,000 .ft^2 .- .ANS✓✓-(b) .4400 .ft^2
( .66 .ft .)^s .= .4356 .ft^2
Most, .nearly, .what .is .the .area .of .a .rectangle .6 .Gunter's .chains .long .by .5
.Gunter's .chains .wide?
(a) .3 .ac
(b) .7 .ac
(c) .20 .ac
(d) .30 .ac .- .ANS✓✓-(a) .3 .ac
(6 .x .66 .ft) .* .(5 .x .66 .ft)
------------------------ .= .3 .ac
43,560 .ft^s ./ .ac
The .term ."height .of .instrument," .as .used .in .leveling, .means
(a) .the .distance .from .the .ground .to .the .axis .of .the .telescope
(b) .the .elevation .of .the .line .of .sight .above .the .datum .being .used
(c) .the .height .of .the .line .of .sight .above .a .bench .mark
, (d) .all .of .the .above .- .ANS✓✓-(b) .the .elevation .of .the .line .of .sight .above .the
.datum .being .used
Balancing .distances .to .backsights .and .foresights .eliminates
i. .collimation .error
ii. .curvature .of .the .earth .errors
iii. .rod .plumb .errors
(a) .i .only
(b) .ii .only
(c) .i .and .iii .only
(d) .i .and .ii .only .- .ANS✓✓-(c) .by .balancing .distances .to .backsights .and
.foresights, .both .curvature .of .the .earth .error .and .collimation .error .are
.eliminated
Refraction .error .is .eliminated .by .line .of .sight .not .being .close .to .the .ground
Rod .plumb .error .is .eliminated .by .user .being .careful
Parallax .error .is .eliminated .by .adjusting .eye .piece
The .curvature .of .the .earth .error .associated .with .lebeling .shot .of .1000 .ft .is .most
.nearly
(a) .0.024 .ft
(b) .0.032 .ft
(c) .0.035 .ft
(d) .0.055 .ft .- .ANS✓✓-(a) .0.024 .ft
C .= .0.024 .* .F^2
.= .(0.024) .(1 .ft^2)
Note: .curvature .is .typically .calculated .based .on .measurements .in .thousands .of
.feet
What .is .an .advantage .of .an .Invar .leveling .rod?
(a) .low .coefficient .of .expansion
(b) .more .visible .graduations
(c) .top .portion .of .rod .can .be .detatched
(d) .visibility .at .longer .distances .- .ANS✓✓-(a) .low .coefficient .of .expansion
2025
How .much .does .an .Invar .tape .expand .and .contract .due .to .change .in
.temperature, .compared .to .a .standards .steel .tape .under .the .same .conditions?
(a) .An .Invar .tape .expands .and .contracts .much .more .than .a .steel .tape
(b) .An .Invar .tape .expands .and .contracts .slightly .less .than .a .steel .tape
(c) .An .Invar .tap .expands .and .contracts .much .less .than .a .steel .tape
(d) .The .two .tapes .expand .and .contract .about .the .same .amount .- .ANS✓✓-(c)
An .Invar .tape .will .expand .and .contract .much .less .than .a .steel .tape .when
.exposed .to .the .same .change .in .temperature. .Unfortunately, .Invar .tapes, .while
.extremely .accurate, .are .too .fragile .for .normal .use. .So .they .are .typically .used
.for .measuring .baselines .or .calibrating .steel .tapes
How .many .pins .are .in .a .set .of .chaining .pins?
(a) .10
(b) .11
(c) .12
(d) .20 .- .ANS✓✓-(b) .11
What .features .distinguish .an .add .tape?
(a) .The .last .foot .of .each .end .is .graduated .in .tenths .or .hundredths .or .a .foot
(b) .There .is .an .extra .graduated .foot .beyond .the .zero .mark
(c) .There .is .an .extra .graduated .foot .at .the .100 .foot .end .of .the .tape
(d) .There .is .an .extra .graduated .food .at .both .ends .of .the .tape .- .ANS✓✓-(b)
,An .add .tape .has .an .extra .graduated .foot .beyond .the .zero .mark
On .a .subtract .tape, .the .last .foot .is .graduated .into .tenths .or .hundredths
How .long .is .a .Gunter's .Chain?
(a) .30 .ft
(b) .53 .ft
(c) .66 .ft
(d) .130 .ft .- .ANS✓✓-(c) .66 .ft
The .area .of .a .square .one .Gunter's .chain .on .a .side .is .most .nearly
(a) .250 .ft^2
(b) .4400 .ft^2
(c) .10,000 .ft^2
(d) .44,000 .ft^2 .- .ANS✓✓-(b) .4400 .ft^2
( .66 .ft .)^s .= .4356 .ft^2
Most, .nearly, .what .is .the .area .of .a .rectangle .6 .Gunter's .chains .long .by .5
.Gunter's .chains .wide?
(a) .3 .ac
(b) .7 .ac
(c) .20 .ac
(d) .30 .ac .- .ANS✓✓-(a) .3 .ac
(6 .x .66 .ft) .* .(5 .x .66 .ft)
------------------------ .= .3 .ac
43,560 .ft^s ./ .ac
The .term ."height .of .instrument," .as .used .in .leveling, .means
(a) .the .distance .from .the .ground .to .the .axis .of .the .telescope
(b) .the .elevation .of .the .line .of .sight .above .the .datum .being .used
(c) .the .height .of .the .line .of .sight .above .a .bench .mark
, (d) .all .of .the .above .- .ANS✓✓-(b) .the .elevation .of .the .line .of .sight .above .the
.datum .being .used
Balancing .distances .to .backsights .and .foresights .eliminates
i. .collimation .error
ii. .curvature .of .the .earth .errors
iii. .rod .plumb .errors
(a) .i .only
(b) .ii .only
(c) .i .and .iii .only
(d) .i .and .ii .only .- .ANS✓✓-(c) .by .balancing .distances .to .backsights .and
.foresights, .both .curvature .of .the .earth .error .and .collimation .error .are
.eliminated
Refraction .error .is .eliminated .by .line .of .sight .not .being .close .to .the .ground
Rod .plumb .error .is .eliminated .by .user .being .careful
Parallax .error .is .eliminated .by .adjusting .eye .piece
The .curvature .of .the .earth .error .associated .with .lebeling .shot .of .1000 .ft .is .most
.nearly
(a) .0.024 .ft
(b) .0.032 .ft
(c) .0.035 .ft
(d) .0.055 .ft .- .ANS✓✓-(a) .0.024 .ft
C .= .0.024 .* .F^2
.= .(0.024) .(1 .ft^2)
Note: .curvature .is .typically .calculated .based .on .measurements .in .thousands .of
.feet
What .is .an .advantage .of .an .Invar .leveling .rod?
(a) .low .coefficient .of .expansion
(b) .more .visible .graduations
(c) .top .portion .of .rod .can .be .detatched
(d) .visibility .at .longer .distances .- .ANS✓✓-(a) .low .coefficient .of .expansion
